Mastercard’s ties to the esports world have led to more evidence of censorship. A source leaked messages from the Riot Games sponsor to livestream channels during the Valorant Champions Tour. The payment processor asked moderators to delete messages accusing it of forcing the ban of Steam games.
Stripe bans even more stuff https://stripe.com/en-de/legal/restricted-businesses , recently they banned payments for online dating platforms in the US.
Yeah, Stripe is the reason itch.io had to pull all paid NSFW games.
However, it isn’t exactly their fault, either:
This is why it’s so hard to fight this, every company blames another one but never by name, I’m sure it’s by design
In the Itch.io incident, Stripe laid the blame for that on “banking partner” rules, claiming they were looking for ways to fix it.