Can't say the instructor's credentials are doing him a lot of favors...
http://muzzlefront.com/muzzle-front/
"Robert began his formal training as a gunsmith in 2003 just outside of Hartford, Connecticut where he apprenticed in antique firearm restoration and quickly moved into customizing various pistol and AR platforms. He furthered his education while working for various manufacturers and dealers, where Robert combined his abundant skills as an instructor with his passion for firearms. Robert has been called upon to present expert testimony in court cases involving detailed analysis of weapons’ function as well as various aftermarket modifications made to Class III firearms. As a direct result of Robert’s work with numerous firearms and training companies across the nation, he brings professionalism and the expertise of a certified instructor to Muzzle Front"
I don't have any reason to think he is a bad person or anything - in fact he might be a great instructor of certain things - but from the video and my uneducated perspective it seems like active shooter drills are not one of them. Perhaps he did not recognize the lane of traffic appropriate for his vehicle, as it were...