Who decides if that's porn or not? The rule says no porn and I can only imagine she has less on for the account only images.

https://www.deviantartsupport.com/en/article/what-is-deviantarts-policy-around-sexual-erotic-and-fetish-themes

As a hypothetical potential user, I see "no porn" from a site I seen a lot of porn on in the past. The first thing I think is a big corpo bough them and milked it dry. Even if it's not enforced the perception is "we caved to censorship for profit over letting our users do whatever doesn't break the law". They killed trust.