I wouldn't like to try dog. I didn't actually see it in my time in Seoul, thankfully really. I love dogs and I think the whole idea of eating them is repulsive. Horse too, it's a delicacy in parts of Kyushu, Japan. I dare say it'd taste ok but...
U have a good argument. I eat duck (rarely of course), cow and pig. Never had one as a pet tho. I'd probably change my tune if so. However, I told myself long ago that I, as an individual, have next to no influence on the killing of these animals. I console myself with the fact that I didn't kill them.