Phil, ALL high value and so called Premium vehicles are particularly subject to theft.
The failure of manufacturers to address the matter is also evidenced by their failure to incorporate a warning light to indicate just when a Diesel engine is regenerating in order to clean the DPF.
When I was in my teens I remember Ralph Nader taking on the American Auto Industry with his book "Unsafe at any speed" and winning.
Boy, we could do with a like minded person today.