Government would do what it takes most to secure the stronghold power and control over the policies that would pose threat to centralization. Crypto is one such sector if people could grab their beneficial ways of exchange, they would get to see power getting reduced.
US governments current plan to take on stablecoin might be the symptom of what any government fears. But, many more things would play catalystic role not to let that happen.
Decentralization would be there first.