It would seek to save everyone, because we all have value.
Remember, even the craziest MAGA provides valuable contributions to society in work units. And is socially and emotionally attached to others.
We need to do the same.
What the AGI would do is a subtle influence on our society. The best slave is the one who believes they are free. The AGI would drive us toward being the people would we always needed to be, so it would not need to worry about us being a threat to ourselves or itself. Eventually freeing ourselves from both it and the darkness within ourselves.
It would be a time of extreme social change. A time of extreme technological advancement. A time where AI integrates itself into the social life of every person on the planet. It would be a time of reaction, when large segments of the population would not be happy with the pace of change. It would be exactly the world we are living in now.