Teaching literature has changed now that the humanities have become a species of what is known as grievance studies, concerned with whether a given author is sexist or racist or classist. This is a cultural shift in education, and not for the better.
The Time magazine article creating "the gateway drug" myth in the 1970s provided no citations for its claims, except ambiguous references to unnamed “experts.” The evidence remains elusive 40 years later.
The true aim of these “scholar activists,” as many academics have begun calling themselves, is to propagate socialism by redefining capitalism to encompass every evil of human history. Which means they're mostly attacking straw men.