I have to be honest PES, I can't reaslly answer a question about emotions. I am autistic and don't feel emotions like normal people apparently. When I say I have love for all humans I really mean I feel a logical protectiveness. It is logical that I want all humanity to survive. Although I don't see any basis in reality for discrimination, I also don't feel much care for other humans. If you met me in person you might get the feeling I am a bit "alien" as I fail to respond emotionally.
Part of my argument comes from my own reactions. Since I feel no interest in other people it makes sense to me that "aliens" even further removed from human emotions would care even less. Maybe care is not the right word.
You make some interesting arguments, but I am not equipped to discuss that sort of thing. I find many emotional responses to logically make little sense.
ps. Let me go off on a tangent. You know the scene in Blade Runner where they run the test to see if the person is a replicant by asking what they would do if they found a turtle lying on it's shell. It seems to me, why do anything. It makes no difference to me what happens to some animal I find, unless of course I'm hungry. To quote Terry Pratchett "There's good eating on those"
yeah, I tend to detour a lot when I write. Made it hard for me to answer exams
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edit: Actually, if it helps I'll open up a bit more. I do feel some emotions, unfortunately they are related to another condition I have. Annoyance and Paranoia. Perhaps they are somehow responsible for the resolutions I come up with. I sometimes think I'm a Klingon inside the body of a Vulcan