No, you're right, just social/musical skills alone doesn't guarantee that you'll get the opportunities, much less that you'll succeed at them. You still have to deliver stuff that pleases the patrons/clients/bosses at some level. But it seems to me that he did whatever it took probably a lot of "assisting" and/or "being there" to be finally given a shot, and that once he got it, he didn't fuck it up.
It's really just basic business, that's all. I wish I had known then what I know now about basic business-handling. Or at least known some of it. It's really not complicated in its basic form, but it does require a basic sobriety of thought.
Save the "flights of fantasy" for the music itself. Music is made for such things, and wonderfully so. Business isn't.