I honestly don't think you can do anything about pedophiles watching otherwise innocent videos of children.
The article claims that there is nudity (via timestamp comments). Separate models could be used to score the video, where a child plus any other potentially sexual content (genitalia, nipples) withholds the video. A withheld video can be appealed (for scenarios such as "breastfeeding tips" or what-have-you), much like copyright strikes, which have an existing process.
Obviously the model might have problems discerning between a 17 and 18 year old, but it would catch the most egregious content.
The article claims that there is nudity (via timestamp comments). Separate models could be used to score the video, where a child plus any other potentially sexual content (genitalia, nipples) withholds the video. A withheld video can be appealed (for scenarios such as "breastfeeding tips" or what-have-you), much like copyright strikes, which have an existing process.
Obviously the model might have problems discerning between a 17 and 18 year old, but it would catch the most egregious content.