> This is why most of America is overweight, poor, and doesn't care for anyone other than themselves (as shown by both democratic and Republican political platforms)

And yet all those people are still just as valid and worthwhile humans as anyone else. They all make up the rich tapestry of life. One of the most important skills to be able to relate to people is to realise that, to be able to see the world from someone else's perspective, and to understand what's important to them.

> they simply don't have the intellectual capacity to care

Caring is an emotional response, not an intellectual ability.