> The first option uses AI to analyze a user’s video selfie, which Discord says never leaves the user’s device. If the age group estimate (teen or adult) from the selfie is incorrect, users can appeal it or verify with a photo of an identity document instead.

Are they shipping a video classifier model that can run on all the devices that can run Discord, including web? I've never heard of this being done at scale fully client-side. Which begs the question of whether the frames are truly processed only client-side...