This is wrong on so many levels.
1. Research shows that running is likely protective to your knees, and at worst, doesn't harm.
2. Your ancestors jogged. They walked lots, jogged, steady, ran hard, sprinted...all in hunts.
3. This guys sprint is slower than a jog.
You jog 4 miles every morning and your waistline hasn't improved at all. You've destroyed your knees for nothing.
Of all the ways to exercise, the light jog is one of the worst. Your ancestors walked most of the day and ran all out when they had to go after prey, or run away from a threat, or toward a child in danger. They didn't jog.
Walk. Sprint. Skip the middle.