<p>Ignoring the actual numbers they gave for income which I believe are overestimates in the case of UPS drivers, and underestimates in the case of doctors:</p>
<p>It actually shows the UPS driver making less, and in order to compensate for that creates a fake set of data in the middle, and tries to compare that data.</p>
<p>It has both the doctor and UPS driver retiring at age 45.</p>