That’s exactly their point though. It requires intuition to decide if a picture of feet is sexualized or not. Hence the “I know it when I see it” standard they mentioned.
I suppose It could do it from porn snapshots, kinda like porn-id thing on reddit. I can see more nefarious uses like identifying car licence plates or faces from public cameras for digital stalking. I know it can be done RN with ALPRs but they have to be manually designed with specialty cameras setups. if this makes it ubiquitous then that would be a privacy/security nightmare.
