So this thread just reminded me of some books I picked up in a used book store in Blue Ridge Georgia. It was a very interesting book store, my friend with me, an architect, found this huge old architectural design book that was from the 1800s, and filled with amazing architectural hand sketches.
I went hunting for old psychology / self help books to see what prior generations thought and believed. I found this old book of essays that was published in the 1920s and another sales book from the 1930s. It was quite fascinating to skim through these books. They promoted views that would get you banned from social media today, but these seemed to be pretty main stream for the time period.
One of the essays in the essay book was opposing the women's rights movement of the time period and opposing female suffrage.
The author wrote that the women's rights movement will never be satiated. He said, our grandfathers had to deal with women's never ending complaints and demand for rights and so will our grand children. It honestly really surprised me at first how non-PC it was. Today the feminist movement causes women to become more masculine to try and be like men. The divide between men and women is as old as the human race apparently.
The old sales book had sketches of facial features and advised profiling based on these physical features. Some of the profiling included things like wide heads aren't trust worthy, narrow heads are money and power driven, another type of facial shape means the person is likely a pushover and a weak negotiator, etc. and it had personalty profiling for noses, ears, eyes, everything.
All that is to say, opinions that are taboo today were the majority opinion 100 years ago. Cultural norms can change drastically in only a few generations. I think changes in social norms has occurred more rapidly as technology and prosperity has made life more comfortable, survival more certain, and people don't know what goals to chase.
