We don't want to surrender the floor simply because we're not ready. Life is sacred. There are some obvious replies to this statement. You might point out that all humans kill many times each day. If you eat meat, it was killed, if not by you, then for you.
Most vegetarians kill plants, as does anyone who weeds their lawn.
These are both animals, yet most people would kill them without question. When we walk down the street, drive our car or build a house we make a decision which results in the death of many animals. The simple fact of our personal existence causes the death of thousands of creatures over our lifespan. Yes even antihunters kill. It's only the lives of animals they choose.