The irony of it was that Visa, Mastercard and Paypal came out as payment methods precisely for these sensitive content where you did not want people to know u subscribed to a porn site or transferred money more traceable to your bank statement.
They were built as an intermediary for precisely this.
They are trying very hard to forget this.
While I don't post NSFW stuff, but being the moral police for this is abit too... much...