I have the same experience. Where I worked the offices were 2-person offices, and this worked very good for mentor-student environment, or when 2 ppl had to crack a really tough nut. The doors were also mostly open, and the corridors were quiet and peaceful. If you wanted to chitchat etc you would walk to the social area with a coffee machine, the lunch setup etc.

It was really nice, and if I ever have to go back to an office, this is how I would like it to be again. Otherwise I continue my working from home.