You're looking at causes, that's the wrong side. Your prior claim was about how you couldn't see the downsides of high unemployment.
Look at what happened during the Great Depression, when unemployment was high. It doesn't matter how we get to high unemployment or depression status, but for sure there will be a lot of bad things, many more than you proclaim.
Look to the Great Depression to see what the human condition and spirit was like if you are having trouble imagining possibilities