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This is a gross simplification. Let's expand this discussion to public verses private. I'm going to talk about education instead of the USPS because I know more about education. Goal of a public education system: provide actual learning, understanding, and life-long skills to everyone. Goal of a private education system: maximize profits by providing competitive diplomas as cheaply as possible. See the issue? The priority in the private system is on making profit and providing diplomas to people. The priority in the public system is on actual learning. The rampant grade inflation at Ivy League schools is a great example of learning taking a back seat in favor of producing graduates that look good on paper. Don't make the mistake of thinking that "public" universities are any better. At my university (UIUC), research grants account for the vast majority of the funding for the engineering college. Consequently, research is the priority, not the education of the students. Simply put, the priority is where the money is. If the money is tied to the learning of the students, the students will actually learn. If it's tied to producing diplomas or publications, that's where the priority will be placed. UIUC can get away with it because its engineering graduates are still extremely highly paid. The prestige of UIUC's faculty is responsible for that, but it would be erroneous to attribute it to the educational curriculum. I can tell you from personal experience that the vast majority of graduates are average programmers at best and many haven't really internalized essential CS skills like algorithms, data structures, etc. One example that really sticks out in my mind: I went to a talk by Alan Kay last semester. Hardly any undergraduates attend, or even know or care who Alan Kay is. Alan puts up a few slides with pictures of McCarthy, Sutherland, Church, etc. Not a single undergraduate can name their primary contributions to the field. No one even knew the importance of Lisp! As Alan aptly put it, "you all are lucky your field isn't Physics; if it were you would be kicked out of the department and sent back to high school for not knowing the fundamentals of past research" (paraphrasing). So why doesn't your grocery store example hold up? The success of a grocery store is strongly coupled to the quality of its product. Spoiled food is spoiled food. Education? Turns out the diploma, not learning, is what matters the most. The USPS is a similar situation, true value of the service (essentially free communication for all citizens everywhere) is only loosely coupled with the financial success of the service. |
Some government programs accomplish a useful goal, and the USPS is one of these. But many government programs accomplish goals which are orthogonal or counter to their stated, useful purposes.