Why do some people see vegetarianism as a more civilized way of living, and what are the counterarguments to that view?

Are people more likely to glaze someone they're attracted to, or does it depend on the person?
Who should determine the future of artificial intelligence, the companies that develop it, the governments that regulate it, or humanity as a whole?
What's the best way to tell my mom that I want to go wedding dress shopping with my bridesmaids on a separate day without hurting her feelings?