> DEI -- along with hiring quotas -- tended to bring new "officials" at companies and government orgs ("head of diversity") which is another great way of "creating" more elites.

If anything, it's a way of placating existing elites.

The elite overproduction idea is that there is a surplus of people who feel that they should have an elite status compared to reasonably available elite positions.

Creating additional managerial positions is a way to attempt to absorb this situation.