Look, there are many ponds of varying sizes, a couple of meters to hundreds of meters in diameter, in the woods near my home. Some of them most likely have life of some form. How interested are you in going there and study that life or even just check out what life there is? None? Right. That is the whole point of the article. You already know there is life there, it is not unique. Why bother?
Your are making the exact mistake the author cautions against. We think we are important, most likely we are a dime a dozen in the vastness of the galaxy.