Maksniper is only truly despicable on product to me. too hard to keep track of a guy that can peek japan, china, cliff and below china with really quick rotations all while wrestling point control off 5 other people playing koth normally. If japan/china/cliff were nerfed in effectiveness or 1 or 2 of them removed entirely it might be more fair and still viable.
Tbf, there is a version of product called noduct that has a load of the sightlines nerfed to make sniper weaker, would be interesting to see if the idea works and if the sightline nerfs have meaningful impact when snipers aren't in play.