“ Change is disturbing when it is done to us, exhilarating when it is done by us. ”
Business requires understanding financial matters, but management is different from running the financial aspects of the business - it requires understanding complex systems, how they operate, the nature of organisations, what happens when people interact in groups and how to motivate and guide people.
~ Rosabeth Moss Kanter
Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.
Organizational structures that allow divisions and departments to own their turf and people with long tenure to take root creates the same hardened group distinctions as Congressional redistricting to produce homogeneous voting blocs - all of which makes it easier to resist compromise, let alone collaboration.