I dont care about flamers, I can mute them.
I dont care about "bad players" I can carry them.
I dont care about DC, shit happens.
But feeders? They are the real scum of this game, and there is nothing you can do against someone that gives kills, expect take the lost and not say anything on chat, because other wise you will get reported for flaming.
Modessi2 votesFeeding on purpose, the 
from dunkey's video
Feeding because bad game, understandable, but it's still a pain
Tails Doll2 votesExactly, at least I know that someone that is feeding because of a bad game can come back.
Tails Doll2 votesSad part is riot cares more about what some strangers say on the internet that can be easly muted than actual toxic behavior, such as feeding or greefting.
