Now that the American left has redefined all existing classical liberal and conservative thought as "fascist", they will have to identify what they consider "reasonable" (i.e. non-fascist) classical liberal and conservative thought that should be tolerated

Now that the American left has redefined all existing classical liberal and conservative thought as "fascist", they will have to identify what they consider "reasonable" (i.e. non-fascist) classical liberal and conservative thought that should be tolerated. What is it?