“Most of them are intensely law-abiding.”
And because of that, when presented with a bunch of legal smoke with the threat of imprisonment or worse, they will comply.
And many in D.C. are just corrupt jackboot liberals who would LOVE for something like this to happen.
In fact, in the late 1800s the Post Office Department was actually operated from Chicago and only 3 employees worked at Post Office Department Headquarters in Washington DC.
Virtually all federal government employees are part of their local communities.