>>>The easiest way to steal a high end car now is carjacking (i.e. once all the security systems are dieabled); otherwise, you have to either flatbed it or have the right ECU to swap for a specific model. Opportunistic theft of a late-model luxury car is actually pretty hard now.

Well, sadly some 1M owner(s) in the UK beg to differ as can be seen on YT here: https://www.youtube.com/watch?v=DshK4ZXPU9o