I don't hate children. My wife and I just didn't think we would be good parents, and also by the time we got married in 1968, we were pretty nose-down toward what we wanted to do, and having a child was going to be an excuse to fail.
In reality drilling is the slowest, dirtiest, and most expensive way to solve our energy crisis.
Also, it was a cultural moment that wasn't being represented in terms of women who were successful and had choices they didn't have before. They needed a show that they can watch that they felt like represented them.