Yes and no. It's your teammates that report you for playing "off-meta" stuff, and enough reports can possibly trigger the auto-mod system to temp ban you.
When they stopped letting people run their own servers and forced everybody in the world into the same queue, regardless of how they want to play that day. I don't like playing with tryhards but it's not fair that people taking the game seriously have to play with casual players either. And then the devs wonder why they have so many problems with toxicity and players butting heads.
AAA Multiplayer is fucking terrible now.
They make the rules, they don't follow the rules. They ban you for whatever and then shut the game down and move on and pretend like you didn't spend stupid amounts of money on a game you can no longer play, and if you attempt to start it back up again with a community made server they will sue you into oblivion.
The classic server list + community servers setup titles are always going to be better.
I wanna say 'quickplay'?
playing multiplayer on an actual server/family of servers where you're likely to run into the same ~1000 odd people playing is a much better experience than jumping in with seven random strangers you'll never see again after five minuites.
Idk if he ever actually got banned but I know in LoL there was a high rank player that one tricked i think heimerdinger in an "off meta" roll and he constantly got reported for trolling