Mr Jobs grumbled that he had been forced to introduce FairPlay by the majors, which would not otherwise have sold their music through Apple's iTunes, the leading online music store.
Controlling the money supply proved far harder in practice than in theory (notably in Britain in the 1980s: Mr Friedman grumbled that the British authorities were going about it in the wrong way).
Midvale's employees grumbled about the strict new regime, claiming that it turned them into little more than automatons, but the factory's productivity soared.
Tim Boyd, an internet analyst at MKM Partners, recalls that many investors grumbled and chided Amazon when it first started making huge investments in customer service.
Others grumbled that much of the fiscal "improvement" was fake, arguing that the Bush team regularly overestimates deficits early in the year so that it can flourish better Numbers later on.
US researchers quietly complain about budget restraints and having far fewer icebreakers than Russia, limiting the reach of the United States in Antarctica.