What the absolute hell riot

i call people out on autolock and ive gotten an insta punishment before but how do you not give me an instant pop up and punish the chogath in my last game that was calling everyone a niger %%%got , his literal summoner name is something along the lines of "heyimnotblack" obviously its offensive when he tells everyone theyre all %%%%s and %%%s then he goes on saying im a lil niger