One of the features of the security system is the ability to monitor crowds. Offense is a good defense.
NFL stadiums rely on these security systems to monitor 70,000+ visitors and their cars, at stadium events. The system allows event staff to make decisions in real time to what they are seeing, allowing them to respond quickly in the most appropriate manner.
The immediate decision making allows for a smoother experience for staff manning the event, as well as for all the visitors at the event.