I&#x27;ve heard the argument before, not sure if it was backed with any real data, that perfect enforcement leads to wiping out tickets as a source of revenue, because people start actually obeying the law.<p>In some cases it actually makes things more dangerous, like red-light cameras appear to cause accidents, because people afraid of tickets start slamming on their brakes when the light turns yellow, and get rear ended.<p><a href="http:&#x2F;&#x2F;abcnews.go.com&#x2F;US&#x2F;red-light-camera-backlash-cameras-causing-accidents&#x2F;story?id=13925887" rel="nofollow">http:&#x2F;&#x2F;abcnews.go.com&#x2F;US&#x2F;red-light-camera-backlash-cameras-c...</a>