"That's just how humans roll."<p>Thats not how I look at it. We have made progress from a society of primitive tribes to a more reasonable society rapidly in the last couple of centuries.<p>Universal women's suffrage (<a href="http://en.wikipedia.org/wiki/Womens_suffrage#United_States" rel="nofollow">http://en.wikipedia.org/wiki/Womens_suffrage#United_States</a>) did not even exist in the United States until the beginning of the 20th century.<p>There is an endless number of social issues that Humans have made advancements, including Civil Rights, Gay Rights etc.,<p>Our understanding of the world has increased [changed] and so has our ability to make decisions based on such new knowledge.