Earlier quoted context omitted.
Good way to bash that down is to ask 'would you want their role?' It makes them stop and think what does that person really do and they usually do not want to do it at all.
I think that often engineers hold the view that the role in question doesn’t need to exist. And some roles are just welfare for MBAs.
I don't think your view is anywhere near as common as you think it is, but maybe in your immediate peer group there's some self-selecting cause for believing so.