I wouldn't call him a scoundrel but imho he definitely tried to do things "Genesis style" (without having to give a share of the profits to a publisher) and he obviously failed.
"He plagarized most of the "Let It Bleed" text from old articles from 1970s Ramparts magazines"
LOL I have this "Stones Special" Ramparts mag which I bought about 10 years ago.
"I would bet that it is RC"
You're right Frias, doing 750 FB prints is a pita that takes ages, whereas 750 throwaway RC prints on a no-brand paper can be done by an assistant over 2 days