They'll be denied access to places they want to go and be prevented from getting jobs they'd do well. They'll be imprisoned and tortured and put on very bad lists to be on because our political class wants to rule the world but doesn't have the first clue how to deal with the world's major sentient species.
And anyone who wants to call the above "anti-American" should kiss my ass beforehand. America was created by humans. Humans are flawed. All men's righteousness is as filthy rags next to Christ, as the Apostle said. That's the good part of Christianity right there, the humility of recognizing that we are inevitably worse than we can imagine being, and all our institutions too. The trick - okay, duty - is to try to become less so over time. This government is becoming worse.