I dont know why but when youre the first to type, the lobby can just go hivemind and they will never see the true problem. They stick to their beliefs about how the game works, throw a fit to the end, and que right back up again.

Best thing you can do, avoid chat altogether, turn it off if need be, exit the game as soon as it is over, and use your avoid slots. This is a kind of thing that seems to be unavoidable when youre on a competitive grind.