Much of this is being litigated in the courts. There are good organizations out there fighting against these actions.
And so there is some good news: A federal judge has paused this order.
https://www.daytondailynews.com/nation-world/judge-will-halt-trump-administration-from-ending-humanitarian-parole-for-people-from-four-countries/7MYULGVT3ZD5NOCWGGC4UQDFO4
In this case, it was the Justice Action Center, CHIRLA, The UndocuBlack Network, the Haitian Bridge Alliance, and others fought to make this happen.
We will see what happens next. An appeal by the current administration would be likely.
Welcome.US has an easy way for people to contact their representatives about this, as it is not over.
If you would like to learn more about how humanitarian parole works, see this USCIS page: https://www.uscis.gov/humanitarian/humanitarian_parole