In the Key of 'D'anzmayr - Why Doesn't Schubert Get Any Love?

Many conductors feel that Franz Schubert's symphonies need help - major editing.  Some sat they're too thick, simply too many instruments.  It is an oft-repeated opinion that ProMusica Chamber Orchestra Music Director David Danzmayr thinks is inaccurate, calling Schubert the quintessential Austrian composer. https://www.youtube.com/watch?v=pRurBkG9MRg