How do we treat people who are dissimilar to ourselves? Why?

How do we decide what is the correct way of interacting with others?

We are all the result of millions of years of evolution and yet so often we act as though the evolutionary process simply passed us by. We are almost like the discarded refuse of evolution, the crap that some intelligent body simply released for the purpose of carrying out some unremarkable physical function.

The truth however is that we are the complex material of experience, growth, culture and understanding. Around and within our communities we have the wealth and beauty of diversity and on so many occasions we allow it to simply drift away without paying it the attention and compliment it deserves. We don't make these other diverse people and cultures feel welcome, we don't embrace them, we don't  ...