Either:
a) He’s been reading here (though I read through the thread and I’m pretty sure that nobody had admitted to paying to become a member?)
or
b) Someone on his member-only live stream commented some constructive criticism (or anything that isn’t outright adoration) and he wasn’t happy about it.
I'm going to plump for B. I imagine his members only content is the same drivel he spouts on his public videos.