Sure, but you also make player models bigger and therefor easier to hit (also pretty obvious, isn't it?).
It has pros and cons, like the other dude said.

In QL for example there's no limit on FoV and pros use anything from 80 to like 120.
If smaller FoVs were inherently bad, players would just use the highest one available, so there's obviously a give and take.

Also, you said "you put yourself at a disadvantage because you see less in your peripheral vision", which also applies to using 4:3 res.
It seemed like you were using that argument to explain why people don't use lower FoVs instead of 4:3 stretched, which is a pretty bad explanation when "you put yourself at a disadvantage because you see less in your peripheral vision" is your only argument.

I said "you didn't read my post" because the link you posted explains the benefits of 4:3 stretched, which I already did in my first post.

It kinda is placebo.
The degrees turned per mouse moved is the same with both stretched and not stretched, so it doesn't actually increase your sens in any way.
However your X-axis gets stretched, while your Y axis doesn't.
As a result horizontal mouse movement appears faster, because your crosshair moves a larger distance on the screen (it's still the same distance as far as degrees turned goes, it's just that that distance is optically stretched).

That's also the reason for the problem I described above: while your X- and Y-axis sensitivity stay the same, your X-axis sensitivity feels faster, while your Y-axis sens stays the same.
That can screw with your muscle memory, since it doesn't work just off of hand movement but with your brain learning which movement of your hand translates into what movement on your screen, and the latter visually changes.

Nah. Vertical FoV stays the same, horizontal FoV is decreased.
When you use 4:3 NOT stretched you'll just have the left and right side of your screen cut off (horizontal FoV) by black bars, while the image within the black bars stays exactly the same (so vertical FoV doesn't change).
You're right tho that fov_desired <90 decreases both your horizontal and vertical FoV, while stretched only sacrifice horizontal FoV.

However, I'd argue that horizontal FoV is a lot more important than vertical, so if you gonna sacrifice either you might aswell have both in the normal ratio to each other and have player models get taller aswell as wider.

Why would you say that?
If you think 75 FoV is inherently bad, 4:3 is inherently bad aswell (less FoV aswell).

If you make claims like that without backing them up at all you just seem ignorant.

No. That was obviously a joke.
But I do think that maybe some of them didn't necessarily put a whole lot of thoughts into the decision and just tried it at some point and stuck with it.

I didn't. So far I only reacted to answers that ignored stuff I already said in my OP.
I didn't argue anything I only made people aware that they're repeating stuff I already said.

I mentioned possible reasons for why people might use 4:3 stretched, because I didn't want people to give me answers I'm already aware of, because I'm looking for reasons I might have missed so far.

They are also bigger with <90 FoV.

You didn't read my post either, did you?

I noticed that b4nny for example plays with a stretched 4:3 resolution and I was wondering why?
I get it in CS:GO where you can't change your FoV and a stretched res is the only way to sorta zoom in and make player models wider.
The downside however is that you'll screw with you X/Y-Axis ratio (I realize that you actual X and Y sensitivity doesn't change, but our brains don't work with centimeters and when the same movement of your hand makes your crosshair move different perceived distances on the screen, even if it's technically the same amount of degrees turned, that will screw with your muscle memory and will make it harder to rebuild it - people will probably argue with me on that one, but aside from just logical thinking, I played with stretched in CS:GO before having any of those thoughts and definitely noticed a difference, even after changing back for the first time after month).
So in CS:GO it's kind of a give and take between wider player models and the X/Y-Axis thing and it's personal preference if the upsides are worth the dowsides to you.
But in TF2 it seems like you could just lower your FoV and get the upside of stretched, without the dowsides.

So why do players like b4nny do it?
Am I missing something or did they just try it one day, went "uh that looks pretty pro" and stuck with it?

In my opinion it definitely is.
You might get a few less FPS with this config vs comanglias, but since I switched my game feels A LOT smoother,
FPS seem more stable, plus the game looks better and less graphical glitches.
Unless you absolutely have to keep your FPS above a certain threshold for some reason (like 120Hz monitor) and you can't do it without the few extra FPS comanglia's gives you, there's no reason to use comanglia's config over this one imo.

@Felik: Why did you stop developing/updating your config?
Did you get frustrated with some of the negative feedback or do you just feel like it's a finished product?
Do you plan to maybe update it if a update makes it necessary or did you abandon the project all together?

Well, fuck :(

Just wait till he gets tired of being shit at the game.

So you mean just rename the .vmt files?
Like for example the text file for a weapon has bigcross in it and I want to try the circle, I could rename the circle.vmt file to bigcross.vmt and then type "mat_reloadmaterial "thumbnails"" into my console?
Just trying to make sure I got it right before I start breaking stuff ;)

Is there a way to change a certain crosshair without having to restart the game?
Some console command like hud_reloadsheme for HUDs, so I can tab out, change the crosshair in the text file and go back into the game and test different crosshairs without having to restart the game every time?

Exactly. Why would you see everyones damage at once?
You'd just see how much damage the guy you're spectating is doing, which would make it look more like you're playing yourself and would give you better information.
When you for example spectate a demo you often can't really see how well he's doing, because hes lobbing stickies over stuff and around corners and you don't actually see them explode or how close they explode to players and the guy could just be dealing a ton of damage or missing everything and you don't really know which one it is.
Or even if you spectate a sniper it can be hard to tell if he got a body shot or a head shot with how weird hit detection is.

Would like to know that aswell. I think it would be so much more enjoyable to watch matches if you could see hit numbers.

Probably, but who knows. Your PC might over heat really fast or over time, or over heating isn't even the problem at all.
Was just a educated guess.
Not sure what else could cause this tho.
You can make sure by downloading some program that measures the temps of your computer and then see if anything gets too hot while playing MM.
If yes, try to clean your laptop as good as possible so air can flow in and out of it and try to put something under your laptop (preferably just the sides so the middle is off the ground and cool air can cool it from the bottom.