"OK, you second admendment guys and gals, which one of you are outraged he wasn't able to get a gun?"
Precisely the effect he was aiming for. The piece of shiite has a soapbox, and he's using it to further a few things that have an oddly leftist odor about them.
Actually, he's actually proving wrong the gun-control nuts... restrictive gun laws didn't actually keep him from trying to murder, did they?