If, as statists content, all men are fallible and thus incapable of self-governance, then why would a group of them be any more capable?
Rational anarchist bump.
It works in the free market because there's a force ready to beat the crap out of anyone who steals, murders, destroys or otherwise does something centrally detrimental to the free market. You can't participate in a free market well if someone just waltzes off with whatever you're marketing, or just shoots you and dumps your remains behind a grocery store dumpster.
"People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf."
- George Orwell
(Shall the "rough men" be hired only by those who can afford their services, or hired for all by general taxation?)
My guess is that most people do understand "spontaneous ordering," but they fear the kind of order that is likely to result.