Like every decade, the 70s was a special one with a unique history. The era includes some weird and awful things considered the norm back then. Thankfully, most of these things would only ever be history.
Imagine a party with a handful of people where you all place your keys in a bowl. Some raffle draw is started, and keys are picked randomly. Here is the fun part; you must go home with whoever owns the keys chosen.
It was not a crime to drink and drive in the 70s. Then, if the police pulled a driver over and discovered that they were inebriated, they would ensure that the driver made it home safe and sound.
In most climes today, people consider spanking a child outright child abuse. But in the 70s, spanking a child for doing something they should not be doing was a normal part of the discipline process for parents.