Because governments (and corporations) are so brutally inefficient that they cannot implement change with their own staff. Bringing in a third party with a mand

Because governments (and corporations) are so brutally inefficient that they cannot implement change with their own staff. Bringing in a third party with a mandate from the top can skip entrenched red tape. It does work and is possibly the only tool they have to break the status quo. But it doesn’t help the underlying problem of organizations being so knotted that they need this short term fix for every problem.