I get the impression that a lot of people here are cautious about competitive multiplayer games, especially AAA titles. More specifically, hyper-competitive communities and mass toxicity are probably likely culprits for this outlook. And don't get me wrong, its something I totally relate with even though I still try my hand at these games. Its something that I have been giving a lot of thought to lately, and I've put together a fairly extensive write-up on what I think the major problems are with multiplayer games and balance:
https://gamingobservatory.com/2017/06/30/the-fickle-nature-of-multiplayer-balance/Its probably one of the biggest "theory" posts I've ever put together, and I'd be thrilled to get some feedback on it.