Arguments like this are why it&#x27;s a good thing we don&#x27;t base our criminal justice system on statistics.<p>&quot;Innocent until proven guilty&quot; is very different from &quot;Guilty because most people in similar situations are guilty, so let&#x27;s not bother to prove it in this case.&quot;<p>The cops would have a field day, for instance by arresting college students at random on the weekend because statistically most will test positive for controlled substances.