At this point, I really don't think our government has any idea how to deal with what is coming.
Congress might be full of idiots or smart people trying to make you believe they're idiots, but don't for a moment think the federal government as a whole is technologically stunted.
And governments will always want to avoid risks, especially risks that knock them out of their monopolies on force and economic power.
Moreover, controlling AI research is ever harder than nuclear research. Creating a technological disadvantage compared to rogue states without such regulations does not seem like a good idea.