So, he does raise a great point about being obsessed with metrics. This is key to building and running any stable business. Love your numbers. I think good pro

So, he does raise a great point about being obsessed with metrics. This is key to building and running any stable business. Love your numbers. I think good product people are combination of: 1. obsessed with metrics 2. knowing what to measure 3. using these two things and their knowledge of their market to know what to make I don't think just trusting your numbers and obsessive A/B testing is enough. It definitely helps though.