OnlyFans lost its purported audience years ago, when they made the decision to include human adult content in addition to fan-related content only. The adult content quickly took over and now you can barely find anything relating to fans on there.
Reddit is a much better place for that now, and if you aren't particularly precious about documentary-style fact reporting, you're much better off browsing r/fanfiction.
I think the joke blew right past you.