Saying he is not legit is downright retarded, he is very good at BJJ. Lutter is obviously a better BJJ guy but this is MMA and Anderson's BJJ works quite well, maybe you need to watch a few more of his fights and of course know what has gone on recently:
From Joe Rogan on the UG:
"Anderson Silva had knee surgery on both knees just 11 weeks ago. That was why he was so easy to take down, and that was why he couldn't squeeze 100% when he had Lutter in the triangle. I ran into his manager after the show and he told me the whole deal. His knees were still very sore. Later that night I ran into Anderson in the hotel, and he was limping like he was just double knee barred.
Crazy shit. If Travis ever had a chance, last night was it. Great fight, either way. "
http://www.mma.tv/TUF/index.cfm?ac=L...46&FID=1&pc=60