Because automatic content detection suck really bad, and a kid in that position might be detected as child porn by a bot
I've had multiple pics flagged by discord as "graphic" even though none were graphic, the last one was a close up picture of a coin held between my fingers
>>lm2846+(OP)
Hands and fingers always trip up NSFW detection models. We use them for automoderation and a lot of people demoing nail art, close up shots of someone painting etc get classified as NSFW. My guess is that fingers kind of look similar to legs to a CNN model and it appears like naked legs.