A Kid trolls in the game, and he reports me one time and i get perma banned.

So today I was in a game and this player who had Mid drafted says in the chat "amumu adc" when i was bottom lane. He then goes on to follow me around all game leaving mid totally exposed. He gets me killed at bottom lane several times and laughs saying "haha you're bad" and places wards where i died taunting and laughing at my death. He then goes to middle where a Sona was having trouble and starts taking her cs, he then goes on to try and say that i am being toxic for calling him out. In short, we lost the game, and after the game I GET PERMA BANNED. Riot is literally one of the worst companies for customer support, they help these trolls win their sick little games and allow them free reign to hurt other players. This is the most pathetic excuse for a game. There is a reason why the moba community says how toxic this game is.