“My observation is that whenever one person is found adequate to the discharge of a duty by close application thereto, it is worse executed by two persons, and scarcely done at all if three or more are employed therein.” – George Washington
And thanks to David Mott for bringing this quote to our attention.
Generalists, according to the old joke, know nothing about everything, as opposed to specialists, who know everything about nothing.
Their managers know nothing about anything, which is why they hire consultants like me — people who know everything about everything.
Or at least know how to create that impression.