One could also ask the question of whether humans need to behave in such a way as to bring about the extinction of so many species. Certainly the passenger pige

One could also ask the question of whether humans need to behave in such a way as to bring about the extinction of so many species. Certainly the passenger pigeon wasn't made extinct for the common good. Biodiversity is the only answer we have right now to the question of how to maintain a healthy planet (https://en.wikipedia.org/wiki/Biodiversity#Services_enhanced_by_biodiversity https://en.wikipedia.org/wiki/Biodiversity#Services_enhanced...). Until we get a lot smarter, it's wise to learn how to better preserve as much as we can.