“We really wanted to accurately represent what someone would see from the ground where they were standing, we didn’t want to misrepresent what would be in the sky above you.” -- strange that shots with trailing stars are allowed in this case, you don't see them with a naked eye.
Here's an interesting blog post that explains how our new phones can now take pretty good night sky photos: https://ai.googleblog.com/2017/04/experimental-nighttime-pho...