You cant be reported for feed!

I tested report system and i try to be reported for intentionally feeding . I was play 10 games in row (1 game on ranked and 9 normal) with intentionally feeding and all players said that to report me but..... NOTHING i have not reported.But for AFK i am immediately reported... For me AFK is better then feed.Why RIOT not report feeders??? Sorry for bad english.
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