[Seitsuki]

Maybe, but he would obviously have made use of outriders to report on enemy forces, disposition and the like, not just marching his entire army into who knows what. There's a difference between speed and stupidity. One of the most important aspects of battle is intel. You don't just throw your forces at an unknown location against unknown resistance and hope they'll stick, and any tactician who does this isn't worth the title or command of anything in general.