A high school robotics team built an electric wheelchair for a two-year old, saving the family tens-of-thousands of dollars and opening up a world of exploration for a child. Humans are alright.
Consider what it would mean if that economic analysis of mental illness determined that treating it was not profitable. What then? If easing suffering is not profitable, are we willing to allow people to suffer?
Our problems are complex. So complicated, in fact, they defy the ability of any single person to fully understand them, let alone solve them. Luckily, we're not alone.
When was the last time you presented rock-solid evidence to support your point in a debate only to have the other person completely ignore it?