It's a core competency of this company to estimate the resale value of a car. I don't see how getting it wrong is anyone else's fault? And why even after gett

It's a core competency of this company to estimate the resale value of a car. I don't see how getting it wrong is anyone else's fault? And why even after getting it wrong and learning from that he has no confidence in his team being able to update their models to get it right in future.