Removing puritanical religious laws takes some time to see benefits. Alcohol prohibition in the USA was lifted in 1933. It wasn’t until the 1960s that we see a liberal cultural revolution in the USA, which is almost certainly the result of the adults in the 1960s growing up with anti-prohibition parents who were born during or before the prohibition period. It takes a generation to “forget” the old ways.
That’s why society is radically different every 20 years – it’s different people reacting to the previous generation’s actions. In the 90s we had shock jocks like Howard Stern on the radio, shock TV like Jerry Springer or WWF, and weird American-centric cartoons like Beavis & Butthead.