"A generation that does not know history has no past; and no future" — R. Heinlein
/Obviously not the most egregious example of the current cancel culture, but the stories of book burnings, professors driven from universities for failure to spout the party line, and the removal of western culture studies from our schools are all too depressing to mention this early in the morning.
Perhaps saddest of all is the banning of humor from proper society, but then, the Maoists were never known for their sense of levity.