Frankly, the $1K socks is a bit of an exaggeration
lol), and, as ridiculous as you might think paying some of those prices for custom work is, I can assure you that, to the rest of the world, paying $200+ for an action figure is equally ridiculous.
I've never bought a Kato suit or a $300 headsculpt, but I can understand why people might want to. Kato's stuff is top quality, and I've seen some pretty amazing headsculpts in my time here. The point I'm getting at is that people should be allowed to spend their money how they want without having to deal with the judgement of those around them who happen to be equally quirky.