3 links have been added on this idea.
  1. It is true that our particular form of life would have been impossible without “fine tuning” of the universe’s structure, but we do not know if there could have been equally fine-tuned, yet fantastically different universes supporting biological life. Anthropic principles fail to explain why our universe is in one such fine-tuned state, when “all things being equal”, it was much more likely to develop into chaos.

  2. People use the anthropic principle to argue that the Universe must be exactly as it is because we exist the way we do. And that’s not only untrue, it’s not even what the anthropic principle says.