A proposal is made to close service academies (he forgot the Coast Guard, though). The only thing missing is the obligatory reference to "native American genius."
On a more serious note, the locus of the modern military's "professionalism" is indeed not the service academy; professionalism would not take a hit in that decision. The author's second point, about the deficiencies of advanced military education, were already explored by Martin Van Creveld at length.
The "professionalism" imbuing the services today is a business-influenced pop culture credo that the West Pointer of 1861 would never recognize.