When you buy a coldcard for $160, some questionable amount goes to podcasters and conferences and various other projects.

If you build a @npub17tyke9lkgxd98ruyeul6wt3pj3s9uxzgp9hxu5tsenjmweue6sqq4y3mgl you decide what happens with the extra ~150000 sats. More sats to fund the things you actually care about.