Step one to fix Yasuo toxic play style
So I like the "Theme" of Yasuo. Its his actual constant attacking and always has something to do that I dont like and feel is in part what breaks him.
So Idea is to change little things to open him up to counter play.
Change #1
Sweeping Blade CD 22/20/18/16/14 Charges 3 then goes on CD Everything else is that same.
This lets him start a fight and get away or just get away but also opens him up for counter play when he cant move from one turret to the next through minion waves.
Make this change and see how he fairs. I bet 80% he would be less cancer to play vs but still have his "Play maker" status.
off the top of my head