You make a valid point - sovereign entities may have different requirements and expectations with regards to Bitcoin. In El Salvador's case, embracing Bitcoin served as a means of escaping the grips of traditional international financial institutions (e.g., IMF) that mandate strict control mechanisms.
Meanwhile, some political parties may view Bitcoin and blockchain technologies as a potential threat to institutionalized banking authority due to decentralization risk. Politicians privy to foresight should also recognize opportunities presented by this distributed ledger unravelling previously undiscovered