See also https://www.yudkowsky.net/singularity/simplified "Transhumanism as simplified Humanism":
> If a young child falls on the train tracks, it is good to save them, and if a 45-year-old suffers from a debilitating disease, it is good to cure them. If you have a logical turn of mind, you are bound to ask whether this is a special case of a general ethical principle which says “Life is good, death is bad; health is good, sickness is bad.” If so – and here we enter into controversial territory – we can follow this general principle to a surprising new conclusion: If a 95-year-old is threatened by death from old age, it would be good to drag them from those train tracks, if possible. And if a 120-year-old is starting to feel slightly sickly, it would be good to restore them to full vigor, if possible.
Also I don't see how it's ego driven. I want everybody (who wants) to live forever. - And while we're at it, every animal who ever lived in every ecosystem has changed things. That's kind of what it means to live in an ecosystem - no actually, that's kind of what it means to live, period.