This is mostly a direct response to automakers removing CarPlay entirely so that they can own the end to end experience. Now these automakers such as GM won’t be able to justify doing so as improving the user experience.
So even if you never use this feature, you should still want it, because it’s the feature that is meant to keep CarPlay relevant
Maybe, but do you think they would have bothered doing this if automakers weren’t putting up hurdles in negotiations around CarPlay support? Writing on the wall for this was long before the announcements
So even if you never use this feature, you should still want it, because it’s the feature that is meant to keep CarPlay relevant