The concept behind this Sci Am article is that our type of black hole created a galaxy that allowed life. ? A fine-tuned black hole? The author thinks it is all by chance. Read the whole print article if you can, but note the theistic comments after the preview article:-http://www.scientificamerican.com/article.cfm?id=how-black-holes-shape-galaxies-stars-planets-around-them&WT.mc_id=SA_CAT_SPC_20120719