Just so we are using the same terms, according to wikipedia:
Strong anthropic principle (SAP) as explained by Barrow and Tipler states that this is all the case because the Universe is compelled, in some sense, for conscious life to eventually emerge. (Tipler is a Theist btw and has come up with some real nonsense).
Weak anthropic principle (WAP) which states that the universe's ostensible fine tuning is the result of selection bias: i.e., only in a universe capable of eventually supporting life will there be living beings capable of observing any such fine tuning, while a universe less compatible with life will go unbeheld.
The WAP is the Anthropic principle as I remember it being briefly mentioned at university. You don't need multiverses to support either. In fact I'd go as far as to say that the idea of multiverses is neat to a physicist as it provides a sort of symmetry often seen in nature. But it remains at the hypothesis stage for now.
If the universe is fine tuned for humans, then whatever did it didn't do a brilliant job.
Agnostic Atheism is the default position. You don't need to now anything about fine tuning, multiverses, even any physics at all to be an Agnostic Atheist.
Strong anthropic principle (SAP) as explained by Barrow and Tipler states that this is all the case because the Universe is compelled, in some sense, for conscious life to eventually emerge. (Tipler is a Theist btw and has come up with some real nonsense).
Weak anthropic principle (WAP) which states that the universe's ostensible fine tuning is the result of selection bias: i.e., only in a universe capable of eventually supporting life will there be living beings capable of observing any such fine tuning, while a universe less compatible with life will go unbeheld.
The WAP is the Anthropic principle as I remember it being briefly mentioned at university. You don't need multiverses to support either. In fact I'd go as far as to say that the idea of multiverses is neat to a physicist as it provides a sort of symmetry often seen in nature. But it remains at the hypothesis stage for now.
If the universe is fine tuned for humans, then whatever did it didn't do a brilliant job.
Agnostic Atheism is the default position. You don't need to now anything about fine tuning, multiverses, even any physics at all to be an Agnostic Atheist.
