Why do people continue to blame the economic system when the governmental system is at fault? Why do we want politicians controlling the market? The only reason Capitalism is in crisis is because governments keep meddling with it. One point people repeatedly miss regarding Capitalism is that it requires a Free Market -- which means that the market determines the price and quantity of things. It also means there are no "special" favors to business by government -- GM does not get the bailout in Capitalism, but in a "mixed" economy, the government shows up and gives them one. Banking runs amok -- In Capitalism, the banks fail because of poor business practices. Additionally, government punishes them for their illegal activities. Why didn't the government show up and restrict illegal activities when they were happening?
In both cases, the absence or presence of government causes more economic problems. Government fails because it does what it is not supposed to do, and concurrently, doesn't do what it is supposed to do. Then the politicians turn around and blame not themselves, but the economic system. Regulate! becomes the cry, and the politicians continue to expand their power at the people's expense.
"Government in Crisis" doesn't quite have the same alliteration, but therein lies the problem.
Capitalism can often result in some less than moral choices. An example is the banking system, in which greed is running rampant and resulting in corruption and all kinds of illegal activity on the bank's part. Many people feel that something should be done.
Cameron is saying that the Labour Party, when it was in office, did not do enough to regulate capitalism. He says that Labour either went all the way to socialism (where its roots are) or embraced capitalism without realizing that capitalism has negative aspects to it. He claims that the Tories understand capitalism better and will therefore know how to rein in the worst excesses of that system.