Maybe in the board short contests, like male physique or whatever.
He shouldn't compete in bodybuilding. He has objectively terrible arm genetics. (Freeze the video at 2:00 and look at his 15" left arm, lol.)
Megadosing gear + PMMA might "fix" it. But maybe not. And, anyway, at what cost? He'd have to shave 30 years off his life to get those pipecleaners to >20". That's a lousy deal.