[Eruc]

I think you hit the nail on the head. I've been consulting for a number of years and in every organization I go to, there are inevitably other consultants who know the one "true" way to do something.

Regardless of whether someone else on the team writes easily readable, tested, working code - these consultants will inevitably complain it's done incorrectly and refactor it to their vision. This wastes time and money, and more often than not I've seen it lead to regression bugs in the software.