I can see what the OP means and can agree that for many, it helped promote feminism, occult, drugs etc., because it did - if in no other way than passively.
I remember reading (here on CI I think) that Gilligan's Island was modeled after the Seven Deadly Sins, i.e Gilligan = sloth, Ginger = lust, Skipper = Gluttony, Thurston Howell III = greed and etc.
Did / do all these shows affect us in some conspiratorial way? I think so, they just affect some people differently than others.
I think the series "24", which far as I know, was the only series ever that had a very admirable president who was, of all things, black, certainly paved the way for Obama.