One good thing about being brought up with Chinese food from another country means that you're not a purist and you will accept deviation.
Liberation movements - operating surreptitiously and conspiratorially - thrive on discipline and suspicion, and punish deviation or dissent.
I never considered Miles Davis a perfectionist; I always considered him as an excellence-ist, where deviation is actually kind of cool.
The educator should do anything but advise the child to do what everybody does. He should rather rejoice when he sees in the child tendencies to deviation.
Any deviation is looked upon as a perversion, is feared, and is usually a target of hatred and prejudice.
Politicians should not get involved in the detail of clinical criteria and shouldn't be arguing with professors and consultants over whether there is one standard deviation or two standard deviations.
Now quantitatively we rank things on something called alpha over standard deviation, which is the return independent of the market divided by volatility. Usually, to get a high ranking, you need some buying pressure.