The few short years of the 1950’s brought the greatest improvements to people’s daily life in all of human history. Times were good, because the physical side of life was good.
Compare the changes to the previous decade:
In the 1940’s, most Americans went to bed a bit hungry every night. Not because they were starving, but because they didn’t have a refrigerator. It was common to walk into your kitchen and find that the bread had gone stale, milk was sour, etc. No problem…you just lived with it, the way we today live with the weather–there was nothing you could do about it. So you just waited till the shops (not the supermarket–which did not yet exist) opened the next day and bought some more bread. But in the meantime, you were hungry.
In the 1940’s most people would have preferred not to use an outhouse, but they were not repulsed by the idea…it just seemed a bit old fashioned. In the cities, toilets were common, but if you went to visit grandma on the farm, you would take a dump in her outhouse and not make an issue of it.
In the 1940’s there were still horses in use , and so an occasional pile of horse shit in the street outside your house was not a surprise.
In the 1940’s very few people owned a car.
Then, within a short decade, modern life arrived, with all the latest technology.
And I’m not talking about a minor upgrade, like switching to the latest version of your smart phone. I’m talking about vast, profound changes in your quality of life.
By the mid 1950’s everybody* had a refrigerator in the home, everybody had a flush toilet, and everybody had a car. Television arrived. Supermarkets made food available easily; there were even new “TV dinners” (i.e frozen food, ready to eat, just warm it up in your new electric oven!).
Society changed in profound ways…suddenly life was easy: everybody felt good , with new physical comforts. And people felt optimistic that the good times would continue forever.
And that’s why the nostalgia for the 50’s remains so powerful, a half century later.
*(Well, of course, not everybody. There were those colored people on the other side of the tracks, for example; but they didn’t count, right? You might even hire one as your maid, but don’t let her drink from the same dishes you use—you might catch something. )