> And culture is, by and large, random, arbitrary, and self-reinforcing. The best definition of "culture" I've ever found is "how we do things 'round here". It's valid in both the large and in the small. Of course, why and how we converge on those norms is mysterious, and the anthropologists, the psychologists, and etc. can have a go at explaining those parts. I can't.
Which can, of course, be random, self-reinforcing, etc.