Knowing "where you are" is irrelevant. Iraq was invaded under the pretense of having weapons of mass destruction, so the rational thing to do is having them anyway, cause the US can bomb you anytime if you don't. Meanwhile, North Korea is 100% fine.

Just wait for China to get rich enough to counter American military dominance, and then ally with them for protection. Iran is already half way to becoming a Chinese vassal state, either it falls apart or becomes one completely after this.

a rogue nuke can "accidentally slip in" from another evil country. a few more nukes and you're now un-nukeable.

deterrence works. we should admit it

This is the ultimate gamble here. On one path, those considering a nuke could be deterred after realizing the Trump administration is willing to use that as a reason to attack. On the other path, countries could either decide the risk of attack is necessary or estimate the risk of future administrations acting similarly as low enough to go for the bomb.