It was the textbook form, good ROM, high reps and his awareness that others were in the gym (not screaming, throwing weights, leaving shit lying everywhere) that marks it out versus others who lift such weights.
And almost anyone in this forum could do it too. Any moron can learn how to workout. Eating is not hard either.
The most important factors that make a bodybuilding champion are:
1. You have access to an endless supply of drugs...
real drugs.
2. You take boatloads of these drugs and never go off, and...
3. You have very little regard for your own health.