If they already know leopards ate their face and have the courage to recognize they fucked up this early on, they are your potential allies, don't alienate them.
Executive Order 13769, titled Protecting the Nation from Foreign Terrorist Entry into the United States, labeled the "Muslim ban" by Donald Trump and his supporters and critics alike, and commonly known as such, or commonly referred to as the Muslim travel ban, Trump travel ban, the Trump Muslim travel ban, or the Trump Muslim Immigration Ban, was an executive order by President Trump. Except for the extent to which it was blocked by various courts, it was in effect from January 27, 2017, until March 6, 2017, when it was superseded by Executive Order 13780, a second order sharing the title "Protecting the Nation from Foreign Terrorist Entry into the United States".
As a minority who is usually on your side: no, fuck off. This had a very real and tangible effect on the election. Trump had increased support from every minority group and that includes a good chunk of my extended family.