The only question is how many years it is going to take - and if it gets licensed to other makers
https://eandt.theiet.org/content/articles/2022/08/scratches-to-car-paint-disappear-in-sunlight-with-self-healing-coating-material
And if it goes soft in sunlight, won't it eventually ooze down and off the car if left for long periods in the sun? Glass does it by itself if left long enough!