This argument is put to rest simply by the observation that the more evolved animals experience fear, pain, pleasure, and emotions analogous to our own. That’s it – end of story. The end.
In any rational world, what more is there to say? This is not a subject of debate; it’s a consequence of the objective facts of basic physiology. As I said before, dogs, horses, and so on – along with many, many other animals that we don’t choose to domesticate – experience fear, pain, pleasure, and other sensations that are identifiable with evolved living creatures. The idea that ethics doesn’t enter into it is reprehensible and downright disturbing.
By introducing the “ameoba” into this discussion it is you, in fact, who have wandered into the absurd. What I said was that there is a gray area where it’s no longer clear whether a creature is, in fact, sentient. You chose to draw the line at anything that isn’t “human” – meaning “exactly like me”. That’s even more absurd than your hypothetical of amoebas being sentinent. Just because the dividing line is blurred doesn’t justify reaching extreme conclusions on either side of it – you’ve basically said that any living being that isn’t exactly like you couldn’t possibly be sentient or feel fear or pain.
Would you like to tell me that my dog isn’t sentient? Sure, there is a superficial tendency among many of us to anthropomorphize animals, but that’s not what I mean. We and all our fellow creatures on this planet are profoundly connected; we share a common history of evolution, and the differences between us are only those of degree. To anthropomorphize our pets is of course childish. As a wise man once said, to pretend that a dog is human-like does a disservice both to humans and to dogs; it diminishes both, it diminishes the reality that each has a distinct view of life, death, and the qualities of its own existence. Neither a dog – nor a wild deer or a wolf – has a human perspective on life and death, but they do have their own, born of exactly the same evolutionary biology as ours.
I would remind you that your ridiculous and abhorrent original assertion was that ethics has no place in the animal kingdom. There are at least some people who know and understand animals, those who have been truly close to them and have come to an intimate understanding of them – how they think, and react, and the things they value. Animal perceptions which, just like own, reflect the wisdom of our long, long evolutionary histories and the wisdom of time. I count myself among those who have had the experience of being close to such animals, and feel that we are truly privileged for the experience. Much of modern philosophy comes from the observation that caring or not caring about things is based on having a history, and that this history shapes our thinking and hence the truths of which we are aware, and your history, my friend, seems to be very shallow indeed.
Sure, but hunting, and the encroachment of human habitats, has also – and continues to – contribute to the decimation of species. From the loss of African wildlife and the extinction of the passenger pigeon to the depletion of fisheries and decimation of the ocean ecosystem, over-hunting, over-fishing, and encroachment on habitats is driving many species to extinction. Hunting isn’t always bad, of course, but it obviously is when in excess, and as someone already pointed out, it’s ridiculous to put all types of hunting under the same umbrella. It’s utterly absurd to cast hunters as some sort of altruistic saviours of the ecosystem when their boundless greed has wrought such huge destruction.
That’s a terrific argument for banning Germans, too. But then, none of us really want to make asinine irrelevant analogies, do we?