You have to assume that whenever there is wide spread economic crisis employers will understand the impact on job histories.
I would expect that auto workers in Detroit didn't have to spend much time explaining why they lost their job, and that other workers in Detroit didn't have a hard time explaining how the related job losses impacted teachers, hospitals, restaurants...
It can be be used to explain a gap in the work history, or a short job that only lasted a couple of months. Flipping burgers for 3 months does pay some bills, even though it doesn't help your programming skills.
While the news reports unemployment numbers, they sometimes mention the underemployment number's. Those are people who have to work part time, or in lower paying jobs because they have no other choice.
A non-perfect employment history in the economy the world has had the last few years is not something you need to worry about.