Did you ever notice?
People who are concerned about the destruction of the rain forests often invoke the possible loss of new pharmaceutical remedies for various diseases. We might lose a solution to our health problems as the plants are destroyed!
Yet when you point out that abortion destroys a possible new Einstein, or a new mind who might find the cure for cancer, that possibility is met with yawns.
I insist on personal autonomy for my sex and drugs, but not for your survival.