I take an iPhone and a laptop of course, but if you look at some of these one bag packing lists, they run into the thousands with every last sock being highly technical, boutique, and exorbitant.
Mostly though i think it comes down to the old joke “everyone who spends more than me is wasting their money on exorbitant whatever and everyone who spends less than me is a cheapskate.”
https://jeremymaluf.com/onebag/
The list looks like the very definition of brittle to me. Every single item is from a different manufacturer, possibly rare, bespoke, or hard to find (a Japanese version of a highly technical jacket, underwear that even says it’s hard to buy in the description). We’re way beyond preferring wool socks here.