Skimmed a bit, and I think I'm fully with this dude, re:
"The claim that culture is fiction is not an important insight, but is simply a perverse way of stating the obvious fact that culture is a set of shared ideas"
I'm honestly surprised by how many people here wouldn't shut up about it. It's not just that they didn't raise an eyebrow, but that they kept parroting his points for years.
Luckily it has cooled down a bit.