Simultaneous purging of the chief generals of all three branches.
They are ensuring the military has no cohesiveness to stage a future coup against the Executive Branch, and are replacing all control with their own loyalists.
Too many Americans are still comfortable and have a job, food, shelter, etc. Things will probably change once all of these things kick into motion and cause huge recessions, but by that point it'll be too late. That's the paradox of prevention.
I don't think anyone does. There are far too many people in Europe and otherwise who do not realize how much of an impact this will have on them.
I am not a big fan of American exceptionalism but the American empire has turned itself into the main character of the world stage and the fallout of it collapsing will harm a lot more than just itself.