For example: Mordhau
Theres always like one or two guys who played it 8 hours a day from day 1 and stomp my whole team. All I can do is make it hard for them, but it typically changes the whole round to be bad and sweaty instead of fun
It's a shame a few popular online games ruin that image for a majority of awesome communities though. I have a few favorite online games and the communities in them are amazing, even made friends and good memories in them.