Are the critics right? Do we still live in the era of “Too big to fail?” All I can say is: I sincerely hope so.

Ever since the bank bailouts of 2008 and early 2009, Americans have scarcely paused in their non-stop demonization of the policies that halted the country’s frightening slide into a near-depression.

Tea-partiers on the right hate the bailouts because they hate any intrusion by the federal government. Populists on the left hate the bailouts because they assisted banks, now and forever reviled as the enemy.

Apparently unnoticed by these commentators is a tiny fact: the bailouts worked. The economy just completed the fifth straight year of positive growth. America has more people working than ever. Unemployment is down to 6.2%, a number only slightly above what may fairly be viewed as “normal.” Long-term, or chronic, joblessness is also reduced. Banks are better capitalized and safer. Government deficits have plunged. The stock market is well above its pre-crash level.

Although government bailouts were hardly responsible for all of that, they clearly stopped the market carnage, permitting private sector growth to eventually resume. Of course, they can still be criticized on the basis that their cost was too great, or that they set a harmful precedent. Critics have overstated both of these claims.

The bailouts themselves were profitable to the taxpayers. Commentators have pointed out that government costs associated with the Great Recession included many items outside the calculus of the Troubled Asset Relief Program (TARP) and other federal rescue programs—such as foregone tax revenues and higher expenses for unemployment insurance. But these were costs caused by the recession—not by the bailouts that helped end it. Had there been no bailouts, the government’s expenses would have been more prolonged, and far greater.

The moral hazard precedent of the bailouts has also been both misunderstood and overstated. First, there is no “policy” of “too big to fail.” It is not written down and is not ordained by any law. Rather, “too big to fail” is an appropriate political response to an unanticipated calamity. When society is faced with a potential or actual disaster that swamps the power of individual relief efforts, it is proper and right for government to intervene. That is a big reason why we have government.

Since there was no formal bailout policy, the bailouts that occurred in 2008 and 2009 were haphazard and inconsistent. We should be thankful for this, because the off-on pattern of rescues created a muddled precedent for any would-be gambler of the future. Consider a capsulized version of the prominent failures: dozens of mortgage lenders (the epicenter of the bubble) failed and their creditors were not assisted. Bear Stearns’ creditors were bailed out in full but its stock was mostly wiped out. Fannie Mae and Freddie Mac’s debt was bailed out but its preferred stock, and its equity, value collapsed. Lehman’s stock was wiped out and its creditors got no assistance. AIG’s creditors were rescued but its stock was destroyed. This was also the pattern with many weaker banks.

No investor taking a flyer now can know whether his or her chosen vehicle will be the next AIG (AIG) or, contrariwise, the next Lehman. A speculator can certainly draw the inference that bank credit is safer than equity so, at the margin, investors will be more likely to lend to banks. But banks also need equity—more so than ever thanks to the new capital rules.

And equity investors in banks that got rescued paid, as is proper, a severe price. For instance, from year-end 2006 (before the bubble burst) to today, stock in Citigroup (C), which got more help than any other bank, is down about 90%. That does not sound like a free ride to me. Even investors in most banks that did not fail, but did get TARP investment, have underperformed the market averages.

It is true, and very regrettable, that many bank executives (including at Citi) were rewarded for failure with rather outrageous parachutes. But those were awarded well before any bailouts, and taxpayers did not pay for them.

It is also true that bank stockholders would have fared worse had no bailouts occurred. But retribution is a poor basis for public policy. Only vengeance can justify the view that society should suffer so that banks will feel it even worse. In any case, we have good experience of what happens when the government permits waves of successive bank failures. It is called the Great Depression.

One can certainly argue that the bailouts could have been designed better, or been distributed more equitably. They were conceived under extreme duress, and were hardly perfect. And bailouts should never be more than a last resort.

But we should not forget that the source of the severe economic hardship that Americans experienced was reckless lending and borrowing, on Wall Street and on Main Street, often enabled by lax regulation. The bailouts didn’t cause that pain—they attenuated it. Should another crisis develop, someday, we will want government to have every possible remedy at its disposal. Just as it had in 2008.

Roger Lowenstein is the author, most recently, of The End of Wall Street. He is writing a book on the origins of the U.S. Federal Reserve.