This YouTube link is to a discussion by an author who makes a good case that liberalism is a Marxist “religion” that must destroy the existing order to bring in a new utopia. Scary, really. (Lots of good references to how the philosophy developed, when and how.)
https://www.youtube.com/watch?v=2Wbg6MAgMy4
That “utopia” is nothing more than hell on earth.