The vast majority of people, in fact maybe even all people, have failed to ever think with enough insight about the world, as to generally make decisions that are ethical and moral. To them, effects on the world are practically or even literally invisible: this what I've considered as arrogance. Using animal products is not exactly about people being unethical to animals: it can come close to a perfectly valid explanation but it's not strictly perfect. Instead, the issue of non vegans is that most, if not all of them, don't think so much before doing things, and in this case, selecting materials to use for products or making food choices. In other words, it's not always that non vegans are unethical to animals directly or indirectly, but instead it's about the choices that they make, which are driven by impulse and lack of much thought. Many, or all of us, are from a country in which using or consuming animal products is normal. Being accustomed to animal products i...