That is a very odd assertion... if you're a good chef, and have "come up through the ranks", you've probably had to clean up after yourself... but I don't think

That is a very odd assertion... if you're a good chef, and have "come up through the ranks", you've probably had to clean up after yourself... but I don't think that means that you can take the dishwasher and make him the head chef. Unless you're watching Ratatouille.