I caught that too. I haven't really paid attention to Velvet Revolver, but it seems like either Slash has gotten rusty, or he was having an off night, or he was just doing his standard awards show thing like his acceptance speech back at the American Music Awards in 1990 (waiting until the second fifth of Jack was gone before hitting the stage).
To be honest, Slash has always been somewhere in my top 3 guitar players (his spot, as well as the other two in there, alternates depending on what I'm listening at the time, but he's the only one consistantly in there).
I think he was probably the reason I picked up a guitar in the first place. I've never considered him a super virtuoso or anything, I just kinda picked up on his whole gloriously sloppy yet soulful thing that he does, and I dig it. Kinda like an updated Jimmy Page imo. It's probably because I'm sloppy in just about every aspect of my life, so I can relate.
But yeah, the "Ain't Talkin' Bout Love" thing kinda took it to an extreme, like, to incompetence.