Chaos Theory.

The bad boss uses positional power to make (or avoid) decisions on the fly.

The bad boss creates chaos.

The bad boss then uses their positional power to make (or avoid) decisions addressing the chaos.

The bad boss doesn’t mind if their decisions reduce the chaos because chaos is the natural state of things and justifies why the have the boss power to fix it.

The bad boss privately laments the lack of good people to prevent or fix the chaos.

The bad boss-created chaos reinforces the bad boss’s belief that only they can run the organisation.