I'd never buy a new car, price/value compared to used ones is ridiculously bad, not grokking who does that unless its like 1-5% of their annual salary. Even then its just throwing tons of money away. Electric cars seem to me much worse in this, hopefully this changes over time.
So no ultra expensive cars, you can have it for the price of really basic new cars (if I ignore maintenance but this can be managed by not using official repair shops, which is good idea anyway since they just love swapping whole expensive blocs instead of fixing actual problems). On top of massively better crash security, comfort, proper fun driving etc.
On the other hand, having an ex-demo car from a dealer meant no silly markup and when the transmission fell apart after 4 years, I got it replaced for free instead of paying thousands to an independent shop. There are pros and cons.
(And yes, completely new cars have silly markup, but used ones with low mileage don't)
Our bmw 5 series from 2014 has it. It is amazing tech, easily the best improvement for me in car driving in past 2 decades. Constant visual contact with road and surroundings, while being aware of my current speed to the level of single kmh, speed limit, car navigation, switching songs/volume with knob on steering wheel, perfectly readable in all conditions and never obtrusive. I just dont look inside the car anymore. The problem is when I drive car without it, it feels severely lacking and ancient (like driving long stretches on highways and a lot of speed radars without cruise control).