"Dick, there is more than just number increase. The ratio of IT, HR, IR and managers."
Half man half Tim Tam, CAsA have a tried and true principle they apply.
Its based on the principle of "Who checks the checkers" which basically means the industry has to employ twice as many people as needed to do any one job.
CAsA extends that principle to "Who manages the managers".
Unfortunately this would expand the employment of managers into infinity, obviously unsustainable, they'd run out of people to employ as managers.
They get around this by employing people as managers then after a suitable period of time they leave the organisation and become "Consultants" on vastly inflated remuneration, a win win situation for everybody.
They can keep their employment numbers down to politically reasonable numbers, and everyone gets a place at the trough.