G4P a myth?! I can say, without doubt, that BBs have been taking moolah and drugs for "services" for many decades. A great many of our biggest "heroes" have engaged in all sorts of questionable activities.
Straight muscle dudes with an eye firmly set on that FLEX cover shoot often will do things they'd never have imagined before the "bug" hit 'em.
The stories are too numerous to count in this industry.