Again, just because we have canine teeth doesn´t mean we have to eat like dogs.
We were born with frontal lobs bigger than any other species and a capacity of compassion unseen to them too. So what about we use that and avoid feeding on suffering?
While I see the merit in that argument there are flaws as well. There have been many studies about plants. They show that plants have fear responses and pain responses. It shows that there is something there, not just an inanimate object.
This line of thinking has also started a movement of people that call themselves fruitarians. They eat nothing but fruit in an attempt to not cause suffering to animals OR plants. A noble idea, but not the healthiest way to survive. Some people do great on this diet, but people with health problems, even undiscovered ones, will have a hard time.
So as I said, I see where you're coming from. But that doesn't mean that since I eat meat that I'm a heartless savage. I disagree with many of the policies (or lack of them) concerning the livestock and slaughterhouse rules and regulations.
Also hunting for me is a very spiritual thing. Prayers given to the fallen prey and thanks given to its sacrifice.
Also note that I find myself to be a part of nature. If I were killed and eaten by an animal, it would suck. But that animal needs to eat as much as I do. I wouldn't be happy obviously, but would not have any ill will toward the animal.