In case someone missed the link in the post and is a U.S.A. Citizens Here is a link to the ACLU's petition.
https://action.aclu.org/petition/mastercard-sex-work-work-end-your-unjust-policy
This isn't a normal petition, but a call for legal action. Please sign so that those that work in this industry and adjacent industries don't have to worry about Payment Processors' harassment.