genetics = how good do you react to gear as in great results, no side effects.
Yeah, your muscle shape , insertion locations, frame, along with how you respond to lifting and diet has NOTHING to with muscle growth, right?

You guys are like a cult.
Saying drugs are the main reason for BB success is as big a lie as saying the IFBB pros are natural.
If you lack as a bodybuilder, you accept it or need an excuse.
I admit, I lacked the basic raw talent and drive to be a top bodybuilder.
I never used some lame excuse , like drugs, to make me feel better.
You folks need to "man up" and just admit the top pros are simply more gifted and/or work harder then a lot of you clowns.