I've gleaned from these articles that a lot of classic shows from the '60s and '70s aired on Friday & Saturday nights, which are now a vast TV wasteland. Why the change?  Did people suddenly wake up from their New Year's Eve benders on 1980 and collectively determine to party hardy every weekend instead of sitting…

I've gleaned from these articles that a lot of classic shows from the '60s and '70s aired on Friday & Saturday nights, which are now a vast TV wasteland. Why the change?  Did people suddenly wake up from their New Year's Eve benders on 1980 and collectively determine to party hardy every weekend instead of sitting…