Not necessarily. And even if they have, I'm talking about the ones that always lobby up the corporate ladder, be close to the government, and fill their own poc

Not necessarily. And even if they have, I'm talking about the ones that always lobby up the corporate ladder, be close to the government, and fill their own pockets with no actual productivity involved (e.g. Big Four, McKinsey, or any equally enterprise BS). Not talking about small indie non-enterprise consultancy companies who genuinely share their domain knowledge.