Fixed it for ya!
While the individual asserting this is a mechanical and biomechanical engineer, his expertise is not in genetics or biology.
What? Living systems are made of fairy dust or some other exotic compound that doesn't have to observe the laws of physics?
Certainly they do, when they are moving. But knowing how a nutcracker works gives you no insight as to how it is made. You can compare it to other devices similar to nutcrackers, and you can explain the physics of how it works, but you have no description of how it is made.