I believe all genetically possible humans should be brought into existence. If we imagine the set of all genetic combinations that result in something that could be conceivably thought of as “human,” only an infinitesimal fraction of humans will ever be born through traditional sexual recombination. To be born is to win a lottery with astronomically long odds. As biotechnology advances, we will be able to conceive an…
Don't believe that makes sense. Being human is defined by existing humans. Change the genes too much, it non-human. Not sure how to draw a line.
That's a philosophy, not a fact. Individuals and organizations define things by all sorts of criteria. eg temporally, consensus and differentiation are just a few. It's not as simple as "we all agree this zebra is a human".