I'd like to note, though, that this video also treats OnlyFans as a porn-only site. It literally starts with asking "Why do people spend money on OnlyFans?" when what they're asking is "why do people spend money on porn".
Thank you, that's a perfect example of the sort of thing I was fishing for with my question.
Very helpful video. Also mentions their sister site myfreecams. That's probably where the x-rated videos will remain. Seems like they're splitting the brand to have one NSFW and one SFW.