[wardaddy]

I majored in political science in mid 70s

I do not recall the notion to toss western civ then

Political correctness is more mid 80s

Like HIV

two viruses started about the same time

[YogicCowboy]

I grew up in Palo Alto in the 1960s, a mile from Stanford. I recall actually hearing that chant. Yes, it goes back much before the 1980s. I suspect you did not live in a major leftist enclave.