It may be culture, tradition or biology that motivates this behaviour, but a far more potent reason is the structure of such institutions, esp. parenthood. It is a sugar-coated Ponzi scheme (with a spiritual twist, nevertheless 😉) as I articulate in one of my recent posts — https://medium.com/@Prajakta/moms-and-dads-you-have-been-duped-7b72bd9b341a?source=friends_link&sk=755a6da3d1bb47dfeb47efb5e6b4fd08