Why there is no need to be afraid of outsourcing

In my callow youth in the last millennium, I remember a cartoon that showed a man with string tied around one of his teeth with the other end tied to a door. The idea was that, when the door was slammed, the tooth would be yanked out, thus saving on dentistry fees. Today, a statistically insignificant number of people would revert to such do-it-yourself forms of pain infliction. For good or ill, people now delegate such matters to a dentist; the reason being that one should use a specialist for a specialist function. There seems to be little point in spending three to four years takin...