He’s a c-list celebrity and genre author. I generally agree with what he says and enjoy his writing, but I’d be surprised if any of his usual audience joined a platform specifically because of him.
Edit: I am surprised that some of his usual audience joined a platform specifically because of him.
Is that was he is claiming though? I read it as spending effort to get people to follow him there, i.e. posting and engaging on the platform to increase his visibility and number of followers there, when he could spend that effort doing it elsewhere / doing something else.
I am surprised that some of his usual audience joined a platform specifically because of him.
You’re surprised that a privacy and security advocate and essayist with a large online following would have people who would take his advice on which social media platform is best for security and privacy?