Danny did well in contests because he responded well to hormones just like the rest of them. And at his height, putting on muscle is easier then Lee Priest telling a lie.

priest..
danny started training in his pre-teens, he was like 9 or something, according to a star profile interview many yrs back in mmi
great genes & response probably
not disagreeing with you, it may be easier for a short guy to put on size than a gunter, but not "easy", as some people say,
definitely shorter range of motion in training maybe helping in moving bigger weights in a short distance - then again smaller lighter frame, seen footage of priest squatting, basically just bends his knees a bit and he's full depth

, but proportionately, short guys can also be skinny, and have to fill out