Most people, regardless of the industry they are in, are fearful of two prospects. They are change and staying the same. A paradox of sorts, and confusing to management who have developed a growth mindset.
When presented with the idea of a lean operation, rather than the status quo, most team members, and some members of management, recoil from the notion. They are afraid of the change, yet they are quick to point out the flaws in the current workflow. See, this is the paradox.