You are incorrect. Asking this question has great value when you do it regarding degrees because, while your statement is true about individual outcomes, outcom

You are incorrect. Asking this question has great value when you do it regarding degrees because, while your statement is true about individual outcomes, outcomes of the population that completed a degree tell you quite a lot about the value of the degree, which is a large part of the input into choosing a degree for many people (and it certainly should be a huge part of deciding what degrees get subsidized and to what extent by the tax payer).