Depending on your psychological bent, this might be good to watch.  It's interesting to consider, at least.

On a personal level, it gives me some questions to ask myself as to my own personal views (of which I know some people will be happy ..........)

Here's the VSauce3 video.

It says follow him to BrainCraft, which is this video (someone posted something similar, but this goes into a little of the detail that I posted as well as asks things that I didn't.

What do you think?  Let me know in the comments below.