I would argue it's a combination of the high cost (we aren't talking about people ending up with a few thousand dollars of debt), the fact that it might take ye

I would argue it's a combination of the high cost (we aren't talking about people ending up with a few thousand dollars of debt), the fact that it might take years to determine if any given school is actually not terrible, and the fact that "education" itself is given special considerations over many products and services.