What are the reasons behind the perception that American voters, rather than politicians themselves, are to blame for the country's political problem?

Why is it that financial crises sometimes cause economic depressions but sometimes they don’t? What is this the case?
What do you think of Choice's statement “There’s absolutely no reason for you to pay more for bread just because someone’s delivering it.”?
Why do some people see European healthcare systems as better, even if it means taking home less pay?