I was actually wondering about this a couple months back! Didn't bother to google it and here you are answering the question! Quite interesting. The part about the finger-segments had me saying 'damn, these duodecimal people have an answer for everything' haha!
Good post, and informed replies in the comment section.
RE: The Curious Case For Base 12 (Why Dozens Are Easier For Everyday Maths Than Tens)