Annie's Q occasionally goes through Yasuo WW

good let that fucker eat Q's

Next time it happens look carefully at the path of the Q. Did it actually go through the windwall, or did it curve around it due to annie's/yasuo's positioning? A lot of targeted abilities can do this; they have to physically be intercepted by the windwall to fizzle, and the windwall may not block something even if it looks like it's passing through the outer edge.