Straw man.

Those societies also existed alongside slavery and tons of other bad shit. So how does that change the value of a functional government?

Central banking caused the end of slavery? now that's a hot take

Have you heard of blood diamonds? I bet ETH solves that problem with a ledger /s

It's interesting that the Kimberley Process intended to prevent conflict diamonds is a chain of warranties, one of the criticisms thereto was that there was little proof that the previous warranty ever existed.

So even though you're being sarcastic, you might be on to something there :) (I'm not suggesting this is possible, just idle musings)