there are cheap networks. Solana seems nice (except their developer documentation is so godfuckingly shitful, that I haven't seen anything this bad and I'm doing this shit for 10+ years, and even OpenStack, early Kubernetes and whatnot was easier to understand and better documented).

Not on L2.

I mean, people definitely have.

Even the sketchy product marketplaces are moving toward inevitably decentralized “n of m” payments where the buyer and seller can approve the payment in case the marketplace disappears.