Nature

From this article at ABC News (emphasis mine):

This evidence of an innate revulsion toward incest, coupled with the general avoidance of incest in most cultures around the world, suggests that the taboo may be nature's way of helping us avoid the multitude of problems that come with inbreeding -- which include rare genetic diseases and defects.

Question #1: When did "nature" become a personality that could have a "way?"
Question #2: Doesn't the sentence make just at much sense if you replace the word "nature's" with the word "God's?"
Question #3: When did nature become God, anyway?