Ok...then maybe my definition of alpha roll is different than yours. I've never seen him do one. I've seen him put dogs on their sides and make them lay there...make them accept the fact that if a human tells you to do something, you do it, and its much easier to get a dog to calm down in the down position than any other position. We also all do this to our dogs...I did this to my dog when he was a puppy...he had to accept handling and accept laying in the positions I needed him to (either for nail trimming or a vet). It wasn't an alpha roll...it was me training my dog that nothing bad will happen as long as you stay calm and trust me.
Cesar never tells anyone to "alpha roll" a strange dog. If you watch his show, decide you want to help a buddy out and then "alpha roll" his dog...that's your stupidity, and if you want to blame Cesar for that after the dog bites/attacks you, that's your higher level of stupidity lol.
BTW...picking out the one episode in which he gets bitten out of the hundreds that he has, doesn't make your assumption of everyone that uses his method will get bit any less rediculous. He gets bit once and you throw it out of proportion saying everyone that uses his method is going to get bit.