You miss the point, but thanks for the love. I'm glad you think so highly of me. I was giving two extreme examples to make a point. Could a person with a 2.8GPA and 3.8GPA score the same? Yes. Could a person with a 2.8 score much higher than one with a 3.8? Absolutely. My examples were hypotheticals...look it up in the dictionary and maybe you will begin to understand my argument.
And I think you would care, if you were the person choosing between two doctors and you had information like that in front of you. I think you are trying to argue for argument's sake. Remember the word of the day: hypothetical. Its not a real situation, but people screen doctors all the time. Maybe not by GPA or board scores, but it happens. That's reality. Not all doctors are the same...don't kid yourself.
Luckyfool is right, with respect to what I am trying to say. Having a higher undergraduate GPA does not automatically mean success and higher board scores, but it does give a good indication of whether that person would be more apt to do better, on average. GPAs are not the be all and end all as there are so many other factors involved (differences in schools, for one) but they can be used to predict future success. Why do you think schools look at GPA...its is a measure of both past/present achievement and possible future success at any school, not just optometry.