

If you show the person at the border your paper, and they still won’t let you in, it doesn’t matter that you have the paper. It is just that simple. It’s illegal, but when the people who are supposed to be enforcing the laws are the ones breaking them, there isn’t any real recourse short of a popular uprising.
It’s impossible to tell anymore. There was a time when we could have assumed it was a bit. Now we have mentally incompetent people running our government and encouraging their followers to be delusional.