Terrible reporting system ruining pbe

I'm level 74 on PBE and not once have i ever received a notification indicating that the crybaby that trolls because he didn't get to play the new champ, or the cool guy that abuses bugs every game making pbe unplayable for a whole day got punished after i report them. Is this also a bug or are you guys at riot actually not doing anything about these people. I don't see the point of pbe if you cant properly playtest the new content when you have trolling Brazilians or annoying bug abusers every game.
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