I think the "war room" solution is often a symptom of generalized poor management. And bad project management drives away experienced staff.
The open office plan is a nightmare for tech work IMO.
The open office plan is a nightmare for tech work IMO.
(Part of the confusion may be that "war room" and "open plan" are not synonyms. The former only includes people actively working on the project. This is not the environment where you have the sales guy yapping on the phone.)