Some of the most knowledgable people I have come across on these boards are not massive, nor are they bodybuilders, or even big at all. It means shit.
William Lwellyn, BigCat have never even touched AAS. Scally is a doctor who speacialises in treating androgen induced hypogonadism. Nandi wasnt a bodybuilder, nor does DatBTrue weigh 300lbs at 10%. Dante has never stepped on stage, but has helped hundreds of bodybuilders.
Just because you dont walk the walk and weigh 300lbs, doesnt mean you dont know your shit.