No. Many companies group by discipline. A self sufficient actor rarely needs to talk with someone else just for sharing the same discipline. On the other hand,

No. Many companies group by discipline. A self sufficient actor rarely needs to talk with someone else just for sharing the same discipline. On the other hand, having no one to relate to can also be a problem, and enough people are not consistently self sufficient to make grouping trivial. Then you couple that with the fact companies love one-size-fits-all solutions.