Players Holding a Game Hostage

_"You said something mildly annoying in Champion Select, so now I'm gonna take your farm and while I won't walk into lane to die, I'm gonna ruin the game for you and make us lose to teach you a valuable lesson about annoying me"_ Why isn't this kind of behavior punished more frequently? One has to beg these players to please play correctly, but to them, to _"teach"_ their lesson is more important.
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