Because their version of freedom operates differently from what the majority of sane people have known freedom to really be about.
If you know the saying "rules for thee but not for me", it's completely amplified through Trump and his entire voter base. I think the greatest offense these collective walking shitheads commit, is taking every honest symbolism of freedom and bastardizing it in their image. Anything about 1776, anything about independence, anything about freedom, liberty .etc
They get twisted and contorted through their asinine filter to mean entirely something else, very similar in vein to what the Nazis did to the symbol that once meant good luck. These assholes are taking every American symbol and fucking it up to a point where we are all having second guesses as to what means what anymore.
The underlying message is that they aim for sovereign status above anything anyone else is held accountable to, at the expense of fucking over another, which is the goal of them voting for Trump. When, Trump has proven to not even care about his voter base but as long as he's voted in, then the insane asylum inmates go back to being rowdy because they know that through proxy via Trump, they'll think they have free reign to run all over everyone they don't like.