The Importance of Selfishness in Estimating Data

The idea of these two trains that are somehow riding in different directions or whatever, they're really coming together. I think a lot of the points of confusion and also the occasional points of contention about one over the other are almost becoming more software issues and discipline issues than the actual underlying model. What is the model that is going to answer your question? And then how do you go about evaluating that in whatever way selfishly meets your need? That's where we need to go with this.