And places like Steam take a lot of payment options. Most online services that wanted to have wide international appeal in the 90s and 2000s had to simply because credit cards were rare in many places, and a lot of those services still have a wide array of options
Steam added recently a rule 15th what you should not publish:
15. Content that may violate the rules and standards set forth by Steam’s payment processors and related card networks and banks, or internet network providers. In particular, certain kinds of adult only content.
See discussion here for example: https://steamcommunity.com/discussions/forum/0/6019100814124...
Maybe they could come out with a client named "Steamy" where they post all the nudie games and take all forms of shady, underground, scandalous payment methods, like btc and doge.