I'm pretty sure that Gingrich who is a professor, and every other republican who has ever considered the question in any way, recognizes the use and purpose of calculus and biology. But don't let reason get in the way of your mindless contempt.
The real purpose of education is to turn people into intellectuals
No, it isn't, unless you are talking about highly selective liberal arts colleges. And even then, the best you are going to get are 3rd generation photocopies of Susan Sontag.
Industry wants to hire people who are intellectual
No it doesn't. Period. Even the relatively "creative" jobs like software engineering want a fundamental skill set and raw intelligence, not the ability to quote Chomsky.