1973-1983 is the time period listed.
All the items you listed came out before that and weren't uncommon in said time period.

Sabrina PipeFitter

You came here with no wisdom and got shot down by a trans woman of color who pointed out that you're not responding to what was asked.
Good luck moron.

Was that part of my question?
You're also clearly delusional as mainstream media has been absolutely toxic about anyone not cis-het, white, and Christian since forever and still is.

So yes, you are indeed too much of an American illiterate to answer even a very direct and simple question.

Are you too much of an American illiterate to read and answer a question?

...Where do you think the kids learned it?
WHY did the kids learn it and how to wield it?

Dude, there were tvs and movies, this was the 1970s not the 1870s.