No need to qualify the left with "radical" it makes it appear like a fringe outcast group when in reality it's the entirety of the left. To your point. Hitchens often refered to the many leftist lies as "Masochistic lies of the left" Ted Kacynzki has a good psychological examination of the lefts masochism stemming from "feelings of inferiority". Talks about the methods in which they protest. E.g. in the middle of the street wanting to get hit by a car, hugging a tree to protect from a chainsaw etc.. Peter thiel recently discussed liberals as Masochisttic Christians with the dial turned to 11

The deeply self destructive people is spot on for liberalprogressivees. See here.