I've only talked to one person about the game. He said he doesn't like it. That's all he told me because he was busy with modding his Mindcraft or whatever.
judging from the looks of this game you'll get at least 40 hours of interesting gameplay out of it.
its probably not something you'd binge 40 hours on, but something fun you'd like to play an hour or two every day or something
i mean, unless you don't like games like tf2. in terms of structure; its pretty clear there's big differences between the two games.
if you are on the fence about getting it just watch gameplay videos, then go play a couple matches of tf2 or something. think of how different rounds would be with faster gameplay and the special abilities of overwatch characters. should be enough to imagine yourself playing this game.
the only reason I dont have it yet is cause my computer is trash. I'll probably get it sometime in the future when its either cheaper or i have a better computer.