Add this to your list: people didn’t feel as poor because everyone around them was poor. My mother (born in the 1940s) talks about this. They had nothing, but no one else did either, so they didn’t really feel bad.
Never in all of history do we have visions of ‘wealth’ thrown at us constantly via the media. Many people feel poor, even if we are not.
My mother (born in 1921) did feel poor, because she said that they were surrounded by images of wealth in the movies and newspapers. Hollywood stars were very glamorous and their lives were often photographed, just as they are today. Movies showed Great Gatsby-like mansions of unbelievable opulence, beautiful cars, women wearing satin, pearls, and furs.
The difference is that no one they saw regularly in their own lives was like this. It just seemed as much of a fantasy as Star Wars is to us. So there was little resentment among ordinary working Americans. All they aspired to during the Depression was food, clothing, a place to live, and maybe someday a radio. A young couple newly married would try to rent a room rather than buy a $500,000 house.