But I thought they were making America great
part of their goal for domination is/was eventually pushing for a civil war and abolishing the US Fed gov. that's gonna be a... messy... process, and one that will probably involve lots of groups purging one another, Robespierre-style.
presumably, he'd prefer to sit that out. gotta worry about the Roth IRA money but otherwise can chill out in a different hemisphere while his minions do the dirty work.
put another way, if you're doing be renovations of your house you move out to a sublet for a few months while they demo the place.