Permantly banned for no big reason? or not? RIOT nobrainers?

So i got banned for bad langauge. I'll keep it short. I do think the ban was done right. but a little harsh with a permanent... So i checked my chat text of what i got banned for writing in the chat... the only one that to me seems "bad language" is stfu u muted c*nt. and nothing else..... tell me ur thoughts...
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