Dear OP, contrary to what you think, not all pescetarians call themselves "vegetarians who eat fish". And certainly not all vegetarians do not eat meat because of reasons like animals have a heart, etc. I understand what you're trying to say, but please do not generalise your thoughts that way. I, for one, am a pescetarian and I am not confused about my dietary habits. Since I eat fish, I am not a vegetarian, and I certainly do not call myself one.