Maybe each galaxial species is given the perfect planet for them. Distance to other life is so great to avoid one planet species from destroying another. Which

Maybe each galaxial species is given the perfect planet for them. Distance to other life is so great to avoid one planet species from destroying another. Which considering the appalling job we are doing of caring for our home planet is a good thing. Because if humanity ever finds another species, our track record is pretty abysmal. God only help them if their planet contains a resource we covet