Everyone has bad games, A SINGLE BAD GAME does not make you "bad"

Someone could be on a 12 winstreak and suddenly have 1 single unlucky bad game, and their team will instantly start flaming like no tommorrow from a single bad play, making you play worse, then they bring out that "you are bronze" or that "you'll never leave silver" or "you don't jungle much do you?" garbage and determine that you are "bad" now on every game, you are instantly bad, doesn't matter what you did in the past, doesn't matter if you 1v9'd 20 games in a row up until now, this single one bad play you just made determines that you are forever a "bad player" and are bad at the game.

doesn't it drive you insane when you meet these players, they expect me to do good EVERY SINGLE GAME and never ever possibly do bad, while even the pros have bad games, just like everyone, quit flaming guys