ZENRA it’s nothing to do with the law. Credit card companies are making their own rules not to allow things that are perfectly acceptable under the law. Don’t make the mistake of thinking any of this is a legal issue.
There are laws against harmful stuff like underage stuff, stuff with animals (although that’s allowed in some European countries I believe) so basically non-consensual and or harmful things. Stuff like not allowing harmless kinks like watersports, incest roleplay etc. That’s nothing to do with the law, it’s everything to do with credit card billing and sites worried about keeping access to it.
If incest roleplay was illegal, they couldn’t show it on mainstream tv shows like Game Of Thrones. If raceplay was illegal, they couldn’t include it in tons of mainstream movies and tv shows. There’s tons of piss content out there all over the internet and on major well known sites like pornhub.
It’s basically a small group of American bankers deciding what people are allowed to watch in the comfort of their homes and porn sites understandably terrified of losing the income stream from credit card payments like Pornhub did. You’ll notice pornhub still exists though as what they show is not illegal, they just fell foul of credit card companies so they removed their ability to accept credit card payments.
