Apple did that… eventually. Early iPhones weren’t very secure. Apple only got serious after they dominated the market and reducing the theft value of iPhones became a priority.

Even the cheapest commodity encryption chips have had this capability for well over a decade now, Unlike Apple, Flock are not a hardware pioneer, not by a long shot.

The Android documentation has an example of how to use hardware keys, and a Chinese OEM (IIRC) was found using the example key provided by Android sample code - and yet that was more effort than Flock applied, since their ARM SoC support it.