You are blaming the wrong party! Your friends shouldn't rely on income from one customer who holds all the cards (did your friends negotiate a contract with OF with the help of a lawyer?). Lesson learned for them. They can now run their own sites and do marketing etc. themselves and learn how to run a business.
Yet more skills they have to have... also, I presume OnlyFans helps with the pipeline. (Much more likely to be comfortable clicking on an onlyfans link than a link to an unknown website)
Yeah but it’s almost a trope of the 4 hour week beach laptop business decimated by the big tech company, be it SEO changes, AdWords changes, being banned from Twitter, relying on a Facebook page, yadda yadda.
They are in business and need to adapt. If they can’t hack it take my route: employment in a demand industry.