You have no idea what you are talking about. Just before the war, the world was in the depths of The Great Depression. Four years later, thousands and thousands of men returned home with generous government benefits and money in the bank. You very suddenly had a large, well-off middle class -- something the world had never seen before in known recorded history.
What you are saying is akin to claiming "That's nuts. Most lottery winners do not want to spend their newfound riches or indulge themselves in a life of luxury. They prefer to keep working in a coal mine." Nope. Nope. Nope. Nope. Not true. Some small percentage will do that. But most decide "It's party time!" and many promptly give their notice at work.
What you are saying is akin to claiming "That's nuts. Most lottery winners do not want to spend their newfound riches or indulge themselves in a life of luxury. They prefer to keep working in a coal mine." Nope. Nope. Nope. Nope. Not true. Some small percentage will do that. But most decide "It's party time!" and many promptly give their notice at work.