Just to elaborate a bit more on this, cause I still think it's something that we can definitely do. Here's the exact time in the VOD where they go over this:
https://www.twitch.tv/dreamhackheroes/v/64983221?t=42m50s
Could definitely do it in a TF2-style way where we could like explain "cp_badlands" and how it is a 5cp map where both 6 player teams are fighting for control over control points and what classes will be seen here and whatnot. I would think that these kind of informative videos and stuff would only be displayed during like the semi-finals or finals of a season and whatnot. Please continue the discussion.

Yeah man, I wonder if he can teach us again on how to shoot through the doors on freight. Jaeger the god.

Looking at the DreamHack HotS stream, they are currently doing a "Battleground Information" of one of their game modes so new viewers understand what's going on. Not saying of course that this is the answer to your question, but it could help those new to TF2/comp on what to know and understand about the game before a match begins. Maybe have a video of someone explaining 5cp and the classes that will generally be played or something along those lines during the downtimes.

If I recall, there was botters in Hearthstone(such that they would play the game for them to collect gold and such) in order to get cards with ease. For example if it would take a normal human probably 3 months to get 100 cards, the bots did it within one month. When they finally punished these botters, they promised to "unban" them 3 months later as they still kept all their cards, and a lot of people in the Hearthstone community somewhat found it to be a poor decision that they were not going to be permabanned, then as of then Blizzard made it where anyone that would bot AFTERWARDS would be permabanned. Pretty much people got off with a little slap on the wrist and got to keep all the cards they didn't truly earn.

Not exactly an answer to your question, but I do not think there is any Blizzard game that has community servers in:
SC:BW, SC2, WC3, WoW, Hearthstone, Diablo 3, or HotS.
As far as they go, they only have "custom game" rooms in some of those games listed and official Blizzard servers in WoW.
Pretty much what I'm saying is that there is a least likely chance due to their past games and how they may not have any experience with this. If they do intend to copy TF2 as a whole, then they should be working on the ability to do so, but nothing has been said about the works of it I believe.

Sounds like something Basik can answer. Here's his steam if you want to ask:
http://steamcommunity.com/id/basikmmtxc/

Miggy you're the best.

I still have it, I was wondering why I had a Cfgs_final.zip in my files lol. I also have the configs of some other old pro players also if anyone wants those(tyrone, sneis, kalkin).
https://www.mediafire.com/?liucetpdk1n6vaw

Waiting for revised version of Reynad SMOrc Shaman.

What happened to the 16 year old Grant "b4nny" Vincent who had curly long hair and slouched when he played the class known as demoman, as many were beyond amazed by his demoman skills? The b4nny that was a boy of few words who loved his Coheed and was loved by the community?

That's why I said "as this disappointing". The human race has always had issues and conflicts, and probably always will. But the "lengths" that its reaching and getting to is becoming more ridiculous each time. The way the world is becoming has been in a state of "controlled chaos" for a long time now, and god knows how long it will be till it can't be controlled anymore.

I remember how back then, all this shit was never really much of an issue and humanity wasn't as this disappointing. It is a true wonder on how things will be in a few years at this rate.

Holy shit, you're the dude that made every map is a soldier map. I love that video. I look forward to more of your content!

Well uh, how exactly did you shutdown tossup.tf, like what did you do?

Somewhat relevant video to this:
https://www.youtube.com/watch?v=W1ZtBCpo0eU

At least on the basis of DLC for sure.