This. I would also add that people are not motivated/incentivized to have those different perspectives. All of this is very much related to: https://en.wikiped

This. I would also add that people are not motivated/incentivized to have those different perspectives. All of this is very much related to: https://en.wikipedia.org/wiki/Conway%27s_law https://en.wikipedia.org/wiki/Conway%27s_law Your software product is never finished is partly a reflection of how you structured your organization. That is often the root cause of your problem.