As someone from one of those smaller population "socialist" countries, what we can't get our head around is how America justifies it's health insurance system.

As someone from one of those smaller population "socialist" countries, what we can't get our head around is how America justifies it's health insurance system. It's the richest nation on earth, yet you can't have a small tax to ensure that poorer people don't spread disease and illness. A healthy population is more productive, leading to higher profits. Even the capitalists can surely see this is a good thing.