There is a good reason for spherical cow in vacuum to exist as a concept. I have seen brilliant people pass through CS with flying colors and they enter their

There is a good reason for spherical cow in vacuum to exist as a concept. I have seen brilliant people pass through CS with flying colors and they enter their first job and don't know how to debug something. Think of it that way - a material science professor will know everything there is about welding. And yet probably for a complex weld you will call a welder. Tricks of the trade matter. The whole point of the academy is that you can abstract a bit the whole messiness of the world so you can focus on the grander things.