There are things in life you can't unsee, so, I'm not going to watch this video.
I saw a similar incident once outside of a Safeway, a security guard came barreling out the doors, grabbed a willowy, sickly, obviously homeless man who was walking out (walking, not running), and slammed him face first into the parking lot pavement. The man was yarded up, his wrists behind his back, crying, his face bleeding and full of gravel, hauled up against the wall, and held there with his arms twisted behind his back. It was a takedown worthy of a movie serial killer. The guard victoriously reached into the man's pocket and pulled out the plastic pack of disposable razors he'd pilfered, while screaming at onlookers to call 911 and report a robbery. It was the most absurdly disproportionate thing I've ever had the displeasure of witnessing.