He doesen't need to provide proof because he's an authority. The "proof" in this case is something that you would probably not even understand, given that it is technical in nature and requires specialized knowledge that you lack. This would be akin to a physicist telling you that a graviton has zero electric charge and resting mass, and you demanding him to prove it. The proof would be so technical, convoluted and complex that it would have no relevance to non-physicists.
SUCKMYMUSCLE
Haha, epic intelligence-related attention seeking. The proof here is hardly 'technical, convoluted and complex'. Well maybe convoluted, in that it's been twisted past all recognition. Bodybuilding is subjective, there's no point saying Dorian looks worse but technically he's better, because he still LOOKS worse, and in BB that's all that matters.
Maybe HIT training is really clever, and maybe his sartorious is really pronounced, and maybe one can attempt intellectualise the merits of black and white pics of Dorian next to coloured ones of Ronnie, but that doesn't escape the fact that next to 2003 Ronnie he would look tiny!
Dorian's arms would appear not to exist, his back, though drier would appear smaller and his sartorious would be lost in the other-worldly mass of Ronnie quads that year. Plus Ronnie's ass and hams - a big deal for Olympia judges - never looked like 2003 when he competed against Dorian, so posting pics of that comparison is silly. Ronnie never had Ruhl-dwarfing delts in 96 either, and Flex's 93 package was not the same level of competition as 2003 Ronnie by about 55lb. I know Ronnie's lines weren't great but in the big poses he would have dominated. 'Teh Chad' maketh the man.