These workers by and large aren't carrying money worth stealing they are being robbed of expensive e-bikes. If these bikes were configured to become inoperable if they couldn't either phone home or talk to the users device then there would be no point in stealing them because nobody would buy them. The end user could authorize their own new devices unless they lost access to both devices and info needed to do so and…
Agreed with the treating of employees properly though, these guys go through the ringer just from regular customers and order systems I can't imagine adding thieves to the mix.