Why doesn't windwall have a delay?
Current state has no counterplay, unless he makes a mistake. How is that healthy?
Do I see a skillshot coming? Press W.
Grats you've won, because 5 people can no longer deal damage.
Adding a delay would require Yasuo to use his brain, and rewards people for outplaying the wall.
There's currently no outplay other than the braindead moron not pressing it in time.