This is the paradox of tolerance is invoked.
The people in the present administration have been blowing white supremacist and pro-violence dog whistles for over a decade now.
If you are “with that” then yes, you are against us.
This is not to say that I am intending to be hostile and unwelcoming to those who have been deceived by this regime. Germany had to go through the deprogramming process at the end of World War II. They didn’t just throw every single ordinary person who ever supported the Nazi party in jail or socially shun them for life, they went through a healing process.