They used to produce monthly videos of bike recovery operations, though it looks like they've stopped the videos so you'll have to scroll past a few years of promo videos: https://www.youtube.com/@vanmoof
Often they recover the bike from a yard / homeless camp / shop with 100s of other non-VanMoof bikes they leave behind. It would be so easy to crack down on organised bike theft. The financial, social, and environmental costs of securing bikes and recovering from a theft is huge.