Deep learning with a crowdsourced dataset based on 'report penis' button (cross-referenced across a bunch of accounts and filtered to remove false positives from people who click 'that's a penis' on every profile out of spite.)

Probably the same reason theres not too many penises on Tinder profiles - report button.

The same way we "solve" it on every other platform: artificial intelligence combined with human intervention (i.e. a report button).

I don't see how making a short video is any different vs. uploading a handful of photos.

If machines watch the video first and see a penis -1 that thang

*aw dang beaten to th punch