So, the banks made unwise lending decisions that exposed them to unwarranted risk in the credit markets. Loans defaulted to an extent that enough damage was spread through an important ecosystem for the government to have to step in to prop up the industry.

A year or so later, an oil company is revealed to have made unwise engineering decisions that exposed them to unwarranted risk in the offshore drilling industry. Well-heads ruptured, spreading enough damage through an important ecosystem that the government had to step in and demand $20bn in…

…wait, hang on. Remind me why we bailed out the banks, again?