All the reasons you mentioned above are all equally strong. The dictator does have absolute power to implement a decree. And if Bitcoin is legalized and used there, then all of its followers will use bitcoin because it is allowed.
No exception with the SEC and ETF, this is also the same where many of the various individuals from around the world look forward to the SEC's decision regarding Bitcoin and crypto ETFs, the decision will later become the basis of regulations and how to play. And this will later cause an explosion of adoption and use.