You can leave if you don't want to be disturbed far more easily than leaving a room, so has the benefits of the "Hey Bob" but with fewer drawbacks I see no ben

You can leave if you don't want to be disturbed far more easily than leaving a room, so has the benefits of the "Hey Bob" but with fewer drawbacks I see no benefits of an office environment for my team (but then the 6 of us were split over multiple locations before covid) - the benefits are in the informal communication with people from other teams.