Why is this person not banned?

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I made a ticket, and my duo friend also reported him, and many others in the game said that they would report this person, yet they are still roaming in ranked ruining games, riot wtf? He ques support then takes the junglers camp with w, thereby taking out 3 players from the team, the adc who is solo v2 the jungler who cant get to lvl 2 because his camps are being stolen and the inter who is ruining the game, so it results in a 2v5
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