Oh dear....

[Annabelle]

Onlyfans have said its not true - Some of the models have tweeted on twitter about this and also contacted onlyfans support regarding this and onlyfans have replied saying this is untrue. just have to wait and see who lying and who being truthful.

[Void99]

This video seems to explain things quite in depth.
It's half an hour long though...but it does raise some valid points based on past sites getting the banhammer imposed on them.
Not too familiar with the whole "chargeback" thing but it seems to be quite a big issue.

https://www.youtube.com/watch?v=2NURYbrDk7k