It is possible for a software engineer/lawyer/MBAs today to reduce the work week and live reasonable life, but as human desires are infinite we see them working a 90 hour week. So the smartest will keep working longer and harder to be richer, rest will start going out of work bottom to top
I love what I do and don't intend to stop anytime soon, but when the time comes that I do want to stop, I want to make sure there's more than ample money in the retirement and investment accounts to fund our lives post-career.