Watching the changing definitions and necessary and sufficient conditions for any of us to be deemed human enough to be afforded the protection against infringement of the right not to be killed , an observant being would just about have to assume we’re dealing with a fairly significant group of entities.
The Supreme Court went so far as to allowing an infinite number of meanings of the universe, in order to justify affirming abortion in the Planned Parenthood vs. Casey decision.
And now, people are increasingly willing to make life with the express intent to take it. (Nigel Cameron HT)
It might be that all of us who have this conversation, and all the members of our species are “human enough” just because we’re one of us.
At the very least, as I say at the top of the page, we’re the only ones having this conversation.