Boomer (barely) here who agrees with everything you wrote. Pretty sure if we could talk with one of the ancient Greeks from 000BC, they would take about how great it was in 1050BC and how lazy and disrespectful their children were - universal human condition.
History can be like a greatest hits compilation of your favorite band - 10 years of work distilled into 10 songs and a lot artists are awesome. Then you pop in one of their albums and realize you've got 1 winner, 5 mediocre, and 4 terrible songs.
I do think that if any of our current wars required any sort of sacrifice by the population at large, there would have been riots in the streets and lawsuits clogging our courts for the next 10 years.
Lights out and blackout curtains at 6PM? Hell no - you're violating my constitutional rights and infringing on the freedoms our ancestors fought and died for -
Rationing of gasoline, steel, chocolate, and other important goods? You're just pushing your Marxist communist agenda - remember what happened with Venezuela-
You know it would happen.