You can buy lots of stuff with it if you look. And Nostr is one of the best places to find people who offer products and services for sats. Especially if you're in the US or Europe.

As for the public ledger, isn't it weird that the current legacy system is a complete black box where the elite politicans spend whatever and however much they want even through they're using public money and the money is obviously being spent on war, military weapons, bankrupt company bailouts, and a fukton of printed paper that has made an entire generation poorer than their parents.