If they do have enough reliability to show up on time and enough motivation to go to the community college, there are parts of the country where they can work a minimum wage job and still pay for tuition and a place to stay.
The unemployment problem in unskilled or low skilled labor is largely because government benefits make is economically better for low skilled people to NOT work. In my town there was a waitress who quit her job rather than take on the more hours they wanted her to work because it would have meant losing the money she was getting from the government.
I see a lot of people whose job hunting efforts are minimal or are for jobs they know they aren't qualified for because they want to stay on unemployment. When the unemployment runs out, the real job search will begin.
For a statistical look at this see the book: The Redistribution Recession: How Labor Market Distortions Contracted the Economy