I also know families that are hard working, responsible, still still cannot afford to make ends meet.
Likewise, I know families who are none of those things, and have never known a real struggle.
Implying that not being able to achieve the American Dream is result of not working hard, and/or living beyond your means is a gross oversimplification and frankly ignorant.
This simulation illustrates that when you have low income how hard it is to make ends meet.