"OMFG NERF YAS WINDWALL!!!!!!!!11!!!1!1!!!!111one"
Yes because the second Yasuo throws it out, everyone on the opposite team of him is forced to use all their projectiles at it. It also triples all enemy cooldowns, makes his passive shield permanent, and gives him a million gold.
/s.
Seriously, the amount of mindless hate threads upvoted here is ridiculous. Yasuo just got nerfed and bugfixed, yet there are numerous threads still harping on about how Yasuo should be nerfed on the top page. I suggest you see how he does after the nerfs for a week or two, before you keep begging Riot for another nerf hammer. [zombie-brand-clap]
