I may be wrong, but I think infotainment does not have any access to vital parts of the car (engine, brakes, steering etc.) so has no way to mess it up and kill

I may be wrong, but I think infotainment does not have any access to vital parts of the car (engine, brakes, steering etc.) so has no way to mess it up and kill someone. Hence lower quality standards in it, as it's not safety-critical.