The rest of the world would still be at the mercy of an untrustworthy government that is largely incapable of any semblance of long term thinking. To say nothing of the weirdos who regularly vote for that government and who they tend to elect.
I don’t think that would matter at all. Pass all the laws you want, when the head of the executive branch orders the CBP to collect tariffs, they will. We’ve long since left the rule of law.