That’s not the point, God wanted to slow down man’s accumulation of knowledge because it was proceeding too fast. From steam power to the Manhattan Project took only a little over a century. Imagine if the Medieval kings of Europe had access to nuclear weapons!.................
Yeah, the oxcart delivery system would be inefficient.
The complete lack of free will is indeed the point. The explanation isn't really an explanation, even in theology, it's a way to avoid responsibility and avoid examination.