You're welcome to accept bitcoin payments without using coinbase or any other payment processor.
Under "Prohibited Businesses" you can see "Adult Content and Services" being listed. Source: https://www.coinbase.com/legal/user_agreement?locale=en
It just goes to show, as long as the world runs on fiat currency, and you need to convert from cryptocurrency -> fiat to live your life, the conversion point (e.g. Coinbase) will always be a point of failure and regulatory capture.
Buying fiat with crypto is another issue but as long as crypto coins are accepted widely there will always be ways to buy goods, services and even fiat.
If you wanted to sell a saucy story, how'd it work? Essentially a hot wallet with a webhook?
The more people who use cryptocurrency, and accept payment in cryptocurrency, the easier it is to live your life with minimal exposure to the likes of Coinbase.
Also not sure what the Coinbase Commerce account is even for since "Coinbase Commerce is not a hosted service".
[0]: https://commerce.coinbase.com/legal/terms-of-service/ [1]: https://commerce.coinbase.com/faq
> You agree not to use the Services in ways that:
> Are illegal, obscene, defamatory, threatening, intimidating, harassing, hateful, racially, or ethnically offensive, or instigate or encourage conduct that would be illegal, or otherwise inappropriate, including promoting violent crimes;
Depending on who you ask, "obscene" and "otherwise inappropriate" can cover adult entertainment.
Guess it's impossible for us to guess, unless a case goes to court.