Why is this any better than a metal detector?
Asking the real questions here. My guess would be: they didn't have metal detectors, the metal detectors they had reached end-of-life, or preexisting metal detectors failed to integrate into a modern, unified surveillance system. And so the use of AI analytics tools, atop (preexisting) camera systems seemed more hassle-free (a subscription-based software integration) and cost-effective in the short term; that is if the unproven compromise bares any trust...