Collaboration may be attractive to management teams due to reasons apart from productivity. Management may even know and accept that productivity suffers. A brilliant idea coming from an individual is less trustworthy than a mediocre idea coming out of a group effort. Management has little idea how to judge the quality of a new idea, and worse, the risks of adopting it. When the idea comes from a group, it is much "s…
This is a management-being-incompetent problem, which is likely not a universal problem