Further, is the social movement Orwell is describing related to the 60s on-wards movement? And, where did it originate from?
There is of course always more to add, but you might want to check out the answers in this thread: What does George Orwell mean when he said that "fruit juice drinkers" and "sandal-wearers" were attracted to socialism?, by /u/custardy and /u/crrpit.