Deming agreed with you: Quality control is a management problem. But there's management and there's management. If we're talking about 14000 people, they're not the top managers of the business, and getting rid of them won't change the culture.
They're workers, and Deming also said: Don't blame the workers.
Middle management _is_ the culture of a company. A regular worker interacts not at all with the CxOs except reading their emails and every day with their managers.
Middle management is also the memory of the company.
They're workers, and Deming also said: Don't blame the workers.