I believe you have a very “romanticized” view of ancient living. I don’t think it would have been nearly the “walk in the park” you make it out to be.
I believe today’s life is incredibly easy compared to ancient life. One point against this, however, is that many prolific ancient societies (Rome, Greece, Mesopotamia etc.) had an underclass of slaves who did most of the hard work. So the upper classes then perhaps did less work than today.
But for the average person, or society as a whole, I believe we are far better off than we have ever been.