Natural selection must be replaced by eugenical artificial selection. This idea constitutes the sound core of eugenics, the applied science of human betterment.
It is easy for me to imagine that the next great division of the world will be between people who wish to live as creatures and people who wish to live as machines.
The real frontier is making these hybrid systems where you expand the capabilities of biology with chemistry.
Only a people serving an apprenticeship to nature can be trusted with machines. Only such people will so contrive and control those machines that their products are an enhancement of biological needs, and not a denial of them.
External instruments are only extensions of the biological instrument.
We give our kids vaccinations. That's a biological enhancement that's considered not just acceptable but actually admirable.
Some think there is something wrong about enhancing people.