We should compare to how much good the same money would do if it was taxed instead of left to Harvard? E.g. the German state pays $32,000 per student and degree

We should compare to how much good the same money would do if it was taxed instead of left to Harvard? E.g. the German state pays $32,000 per student and degree, so foresaking $400,000 of taxes in order to educate one student seems like a bad deal.