This is my canon, it’s my truth, you have to agree with it, or you ain’t a real Star Trek fan. Fire up the photon cannons Worf.
But sir, if you destroy the USA, the history of Starfleet may change in an irreparable fashion
Shut up you calamitous cacophony of cogs, I'm French! Fire those torpedoes, wide spread!
He becomes Movie Picard to laugh at the temporal prime directive and take out the trash, and then switches to being TNG picard to help everyone left on Earth found the Federation early, and the antagonist will be Star Trek: Picard Picard - he travels back in time to interfere and try to lib up his younger self. In the end Picard not only prevents WWIII but also himself from ever becoming a lib, and Star Trek: Picard Picard blurs and shifts, replaced by a Future Imperfect-looking version of him with the white Lenin beard, who nods approvingly and teleports back to his own time.
picard isn’t nearly cool enough to do that (he is a loser bureaucratified careerist elitist shitstain). He would be too afraid of the damage to his career
Kirk otoh would personally punch every head of state in the face before arming the dispossessed with laser pistols (as he does in
spoiler
“The Cloud Minders”)