Men have always been that way.
When working and taking on responsibility is the only way to “get” a woman, that’s what they do.
Women have always, and will always be the single driver of men’s motivation.
When there are none, or vanishingly small chances, of getting a woman who will be loyal, and respect you for your work and responsible behavior, there is no motivation for either.
Women control it all. They could change it any time they wanted to.