(1) If you can't move currency out of the country the whole thing is zero-sum. You're just buying bolivars from one guy and taking his BTC. You're leaving others within the country holding more bags of bolivars. The problem hasn't been solved at all just redistributed.
(2) If you can move money out of the country, you'd have done much better just buying USD and holding onto it, or using it there.
The success of one's investment has nothing to do with censorship resistant financial transactions. It is irrelevant.
> If you can move money out of the country
You can move crypto of the country with the clip of a button.
Also, you can move it to the other side of the same country, quickly as well.
A financial transaction is an exchange of money, for a good or service. You send money to someone, and they give you a good. Crypto makes the money half of the transaction censorship resistant.
Why would they care about crypto?
And yet here we are, living in a world where this isn't happening.
People are using cryptocurrencies, today, in regimes such as Venezuela, and yet your prediction of it being successfully banned, has yet to come to pass.