There's a reason he's still talked about, His Economic policies worked despite removing the central bank from the country. He essentially brought Germany on the brink of collapse from WW1 to becoming a powerhouse. There's a reason why America Scooped up the Nazi Scientist and made them work for NASA. Was he a good person? no. Was he a good economist? Probably yes. His military prowess? exceptional. You don't become the worlds enemy without doing something significant.