Not only that, but it's hard to find raws of it. All the uploads of Gyagu I ever see are on Youtube or NicoNico.
Maybe that's why they don't bother? I have no idea. It really can't be that hard--the jokes aren't even really that complicated to worry about, since the show is only 5 minutes long--not only that but they're almost (actually more than almost, are) exactly word for word what the manga chapters are.