There are probably ways you could explore this quantitatively by trying to measure the amount of novel latent information in the data you are ingesting, or by trying to quantify its effects on cognition.

Most short form content would probably score low. It’s short, for one, and it tends to be repetitive and lack anything like plot complexity or nuance.

Of course it’s not like trite pop is new. Way back in the dime store novel days it was called pulp. TikTok is just one of the latest iterations. People have always consumed dumb filler.