It's really disturbing to me that sexuality in advertising - which is often quite crass (e.g., Paris Hilton washing a car for Carl's Junior) is acceptable but the (female) human body in a neutral or even slightly erotic sense in other contexts is objectionable. I'm working on a story about all this as we speak.
Facebook is the worst! My husband the lawyer thinks that Medium is mostly just trying to CYA by saying they have a policy and that they mostly won't enforce it but how are we to know what will trigger enforcement since it's so vague.
Glad that they haven't hassled you about any of your paintings here.