Earlier quoted context omitted.
I was just going to post the same thing. If I was an interviewee, I'd be kind of pissed I'd given my time for free, just so someone else could throw it behind a paywall.
If you were one of his interviewees, you'd understand that hard work must be rewarded. Business models change with time. Every successful entrepreneur (including his interviewees) knows that. I highly doubt they'll perceive this as bait & switch.
I don't think there's anything fundamentally wrong with bait and switch - it's a common marketing tactic - but let's call a cat a cat.