LOL, just one of those things where if you don't get it, no big deal... but if you do it's just hilarious. Think he also tweeted a photo of "If Cena Wins We Complain on the Internet" which was hysterical.
Seems pretty obvious that they're aware of the IWC now, they're signing a bunch of indy wrestling + focusing on wrestling quality + pushing Punk and Bryan + protecting Cesaro, so why would you not poke fun at it while you're at it?