There are countries with totalitarian governments where you can still make private transactions, as long as you don't get too loud about it. And there are countries where any financial transaction will put your family in labor camp for three generations. Some fancy bits on the internet won't help anyone in a rut like that. Doesn't make them useless.
They can show up to your house and shoot you.
Censorship-resistance is not an all-or-nothing game, but a gradual refinement.
If you want something where they can't just look at the ledger, look at Zcash:
https://z.cash/technology/
There are countries with totalitarian governments where you can still make private transactions, as long as you don't get too loud about it. And there are countries where any financial transaction will put your family in labor camp for three generations. Some fancy bits on the internet won't help anyone in a rut like that. Doesn't make them useless.