Over the last few years, PC, political correctness has been a tool of the left in schools. For instance jungle to rain forrest. Now, my granddaughter has read a one sided book ,on communism and conclued that communismm is O.K. We are now getting down to the big push.
I agree the worst is yet ahead.
Political correctness was rampant in my PhD program 30 odd years ago.
A discerning person could have detected it even in my BA program 1965-1969.
And, of course, the early seeds were present in The Garden of Eden when satan said . . . God didn't REALLY say that, He meant . . . "
Revisionism has long been a major tool of the father of lies.