Note: this is a CGP Grey video, and a good one!<p>Another take on this, from Scott Alexander: <a href="http:&#x2F;&#x2F;slatestarcodex.com&#x2F;2014&#x2F;12&#x2F;17&#x2F;the-toxoplasma-of-rage&#x2F;" rel="nofollow">http:&#x2F;&#x2F;slatestarcodex.com&#x2F;2014&#x2F;12&#x2F;17&#x2F;the-toxoplasma-of-rage&#x2F;</a> .