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I was challenged by a Senior management of the company with such a question and I was speechless.
I built models based on the data. Without much knowledge about the key variables, the model generated a very interesting result which are consistent with the knowledge of the Senior Managers. I've expressed that Predictive Modeling for marketing activities can bring in more clients, improve cross-selling, revenues per clients, loyalty of the clients, blah blah blah all those textbook benefits etc. Then the management said: "Okay, I could have a bankers/marketers to do all these and I know all of these knowledge. I do not need a model to do this."
I supposed the model is a mimic of human judgement, not something that outrun an expert and professional, right? What should be the best answer?