Social sciences began to become corrupted and used as tools for subversion since the '60s and it took off in the mid '80s, without mentioning their current state. Just take a look at Psychological research from any of those periods, one can find many studies and research continuously supporting the progressive agenda and constantly belittling traditional values and behaviors.

There's a famous case that illustrates this really well, search for "Sisters of the Immaculate Heart of Mary" and "Carl Rogers". Regardless, with the benefit of hindsight, it's easy to see how concepts that on the surface looked innocent back then (and since have grown out of control), were used to support the progressive agenda.

They want ALL the stories to spread propaganda to everyone and if any classics die in the process, so be it. According to them, they were bad in the first place anyway. Those people are psychos, they have no feelings.