I disagree. I believe that life could exist in many different types of planetary environments. Life forms that we can't even relate to yet. Of course, like Gonzalez, it's just my belief.
I'm interested also but I confess my interests tend to the geometry. But for anyone interested in more information, here is a more recent article: Amid the Universe's Chaos, a Few Habitable Places and an example of how the information is used.