That answers nothing does it? Are you saying that the goal of capitalism is other than i stated? This works better than everything else but this is a problem that has only come up the past 30-40 years and has accelerated the past 20.
The problem IMO arises from government suffocating the free market. Government suffocating our minds with government schools. Nanny state run wild.
If what you propose is the problem of more productivity with fewer people, if you were king your options would be
Fewer people
Mandated work quotas so there is enough work to go around.
Getting rid of technological advances that resulted in productivity gains
I was told on the very first job I had. “Don’t work so hard you will make the others look bad. We want this job to last.” Union apprentice work. How did you guess?
Just imagine for a moment we hadn’t stopped our space exploration programs and we were colonizing the moon, mining asteroids. There would be endless opportunities, endless space to grow, no boundaries. The universe is the limit.