Why was I banned for this

So I got banned and the game riot games gave me as an example of a toxic game was the game were the support LITTERALLy refused to lane with me. So asking the other team to report kench was toxic?

just a head up muted everyone so i don't get a lane mate how nice gg report kench and rammus what the hell what you are lvl 1 you are useless no really report kench he refuses to lane cry baby for stating a fact he wsa lvl 1 and went in like he was an equal lvl to them you skilled the wrong skill you don't need him for three fucking camps so i auto lose lane and blue and then gave up fb because you were lvl 1 its 1 vs 2 they are gonna roam deal what attitude you are the one who refuses to lane so yeah will you report kench, he is now flaming and its annoying, on top of refusing to lane I did I just want reported for trolling meh what can you do and he is going on about how he is three ranks above me on a smurf but he can;t even lane, if he is i beat he is banned XD he is probably in bronze because he main account got banned for being a troll XD is my guess and hi rengo teemo fuck off cool have fun with teemo lucian since he wants to troll me too XD XD OMG garren that was great XD om come on rengo XD towers hurt there you go XD I got to hungry too XD suush oh like two of them are premade with tahm so they won't ff let me guess they are telling you i am afk or to report me XD you gonna report me XD i would say considered i was a solo lane i am doing pretty good XD though i just fucked that ult hey tahm suck it bitch doing fine despite you beign a little bitch I'll kill you 4chan idk were do trolls come from? i have cleanse rengar XD so mind reporting brand for flaming and tahm for trolling? I unmuted them for a while and dear god assisting enemy team