One of the first things that an elderly friend of mine noticed when he visited me in the US is that all the currency notes were of uniform size. He said, 'that'

One of the first things that an elderly friend of mine noticed when he visited me in the US is that all the currency notes were of uniform size. He said, 'that's the sign of a trusting/trustworthy society. Visually impaired people trust others to not cheat them". There are countless things that you trust by default. Think of all the Bayesian priors. It is too tiring to be distrusting and cynical all the time.