Consume Product

Totally. This is reflected in the "educational" media they consume, which is often just listing of "weird facts" with shallow analysis. And of course, the catchphrase "read a book" thrown at their opponents, when 90% of the time they've never even seen a copy of what they're referencing. Someone else read it for them, told them what it said in a snarky 5-minute video, and they repeat what was said.

But the guy who said it got a lot of upvotes so it must be true

Dunno if a hot take, but in my experience, the ears below the eyeline thing is mostly a meme in practice. It's not reliable.

It is very often true of jews, but there are enough jews with high set ears and Whites with low set ears among both prominent figures and the average masses to muddy its reliability.