That scene is...not suggestive of sex. Especially once you see it moving, as part of the launch trailer the image is advertising:

A Devolver representative tells Kotaku “this is stupid”.

“We appealed and they said the appeal was rejected based on the grounds that Facebook does not allow nudity. First of all, she’s a statue and second, absolutely no nudity is shown in that photo, nor is this what any reasonable person would consider ‘sexualized content’.”

As part of their appeal process, Devolver did a search for other “sexualized content” on Facebook, and quickly found stuff like this:

So, yeah, stupid. Maybe a second appeal will actually get in front of some human eyeballs, rather than Facebook’s all-powerful, completely useless algorithm.

Just for reference, here’s the full launch trailer, complete with absolutely no sexually suggestive content: