All that you said is true.<p>But that which you control, controls you back with equal force.<p>While it is assumed that the state of the stock market reflects outside reality, it is in fact both ways - the state of the stock market affects and changes outside reality. And now it&#x27;s a feedback loop, which involves software on one side and humans and &quot;natural resources&quot; on the other.<p>So now the married couple&#x27;s daughter future is dependent on the outcome of this &quot;game of trades&quot; that HFT algorithms play day and night. And the people who write those algorithms do so to satisfy themselves, they don&#x27;t know or care about the married couple.<p>Just like Google Maps - when there are few drivers using it, it&#x27;s a handy little helper, if everyone uses Google Maps, <i>it</i> now defines the traffic pattern.