Yes might be, and I would agree. Although it could be a great opener for finding out what the person wants. I have often found it the hardest thing to help find out what the person I had 1on1s with wanted to become (or not, e.g. a manager). Sometimes people have a clear vision, sometimes it took a year. Everyone was happier though.

I guess it depends on what kind of connection you have with your manager. I saw managers who would rather fire people if they feel they would be happier ion another place.