> Do not believe what they tell you.

So let's say a manager tells their sales rep to focus on understanding well what the customer needs, before closing the deal. Sales rep doesn't give credit to the manager and rushes for a close. Customer turns out to be a bad fit for company's products and services. Now, the company has a liability.

Management exists for a reason. There cannot be “exactly 1 metric” in any job, unless it's paper clip maximization.