The recent financial meltdown should have made it abundantly clear that the "watchers" were in fact not watchingThat's true, but it's a very specific example that has a clear explanation in two parts, those being the government and the private sector together creating the problem.
First, there was the government (e.g., Barney Frank's efforts) that was forcing industry to accept risks that industry would have avoided under more natural market conditions. Second, forced to absorb those risks, industry experimented with ways to mitigate and dissipate that risk -- but the experiment failed badly.
It showed that nobody knew how to properly model the situation -- neither the regulators nor the industry. And for that reason, it's not really an instructive lesson to draw conclusions about industry. We've learned those particular lessons now, so you shouldn't see this repeated again.
Shareholders do not watch companies for waste, they just watch the stock price
That is patently absurd. It's not even true for any responsible individual investor, but for any fund manager that would be outright negligence -- and then the yields of his funds would tumble, and even the stupidest of individual investors would throw him out on his ear.
By contrast, I offer government idiocy, programs that have blatantly failed by any objective measure, yet continue to be money black holes. Consider public education, and the war on (some) drugs. Both actively damage society, and waste uncountable sums of money in doing so.
In many cases government agencies are better managed than corporations of an equivalent size; there are usually better internal auditing and fraud controls in place
Citations, please? Here are some counters: Aside from my examples above, consider Medicare, a well-known money pit that politicians have said they'll clean up for years if not decades. Indeed, government does all it can to prevent us from seeing the depths of its waste. I have a friend here in NJ who works tirelessly to uncover government waste, and the reason it's such a big job is the constant resistance to the use of open public records laws.
And the military (the remainder quoted from http://www.wanttoknow.info/corruptiongovernmentmilitary ):
"'According to some estimates we cannot track $2.3 trillion in transactions,' Rumsfeld admitted. $2.3 trillion -- that's $8,000 for every man, woman and child in America."
-- CBS News, 1/29/02, U.S. Secretary of Defense raises evidence of government, military corruption
"A GAO report found Defense inventory systems so lax that the U.S. Army lost track of 56 airplanes, 32 tanks, and 36 Javelin missile command launch-units. When military leaders were scrambling to find enough chemical and biological warfare suits to protect U.S. troops, the department was caught selling these suits as surplus on the Internet 'for pennies on the dollar.'"
-- San Francisco Chronicle, 5/18/03
"The Defense Department spent an estimated $100 million for airline tickets that were not used over a six-year period and failed to seek refunds even though the tickets were reimbursable."
-- New York Times, 6/9/04