This is indeed an exciting possibility presented by scientific and technological advances, and outlined by science fiction authors. I talk about optimistic transhumanism in "How Pessimists Should Avoid Despair."

What's largely holding us back, though, is our natural conservatism, our preference for the devil we know. That's why revolutions don't happen all the time, and why radicals are often marginalized.

https://medium.com/the-philosophers-stone/how-pessimists-should-avoid-despair-9421374c0209?sk=2883a2944eb0cee1b45e1d9c093ae1bf