At least a music video or song is three minutes long. That’s an eternity to a Tik Tok brain and they will become uncomfortable having to concentrate that long.
Rule #382: You can translate 'kids these days' commentary from one generation to the next by simply substituting $newthing for $oldthing, and inserting a new value of $newthing. For instance:
1990s: Kids these days wouldn't have the attention span to {read a book}. All they can do is {watch music videos}.
2020s: Kids these days wouldn't have the attention span to {watch a music video}. All they can do is {browse TikTok}.