It’s oblique but this puts me in mind of an old adage I recently heard about war: Of 100 men, one should be a warrior, nine should be soldiers, and 90 shouldn't be there at all.

I think this is true of software developers too: only in companies, the 90% don’t really know they shouldn’t be there and they build a whole world of systems and projects that is parallel to what the company actually needs.

this

and I speak as one of the 90%