As the sole human being on this planet we cannot ignore the effects of isolation can we?
It would be fun and amusing to have the option to make ADA interact with us more often. I dont just mean the narration. Have her make sarcastic or funny remarks related to your actions at times like telling you that maybe next time you should dodge that large boar when it comes charging at you. Or telling you to watch that last step after you take a lot of falling damage. From an immersion point of view, the idea is to provide the character someone that can interact with them to combat some of the feeling of isolation.
This option should be able to be toggled on or off as not all people would enjoy the comments.