The whole of existence is based around consumption. Way more often than not, it's of something that is "living" in some way. There is nothing inherently wrong with eating animals. The process by which we produce the meat in order to meet the demand of our ever increasing population has become pretty awful though. We've become desensitized to it in a way. We'll eventually streamline the process so much that we just go straight to the meat and cut out the "middleman" so to speak. That being the actual reproduction and raising process of actual living animals.