Why can't some of you take criticism

Okay, like, when I see you do a horrible play with a champion, and it was legitametily bad, why do you get so offense when I try and tell you to do something other than what you did so you don't make that mistake again. For example: Player 1: hey yo, why didn't you E and then Q around them to get more range for your Azir ult Player2: f*** you dude, I know what I'm doing, focus on yourself, muted