You can also take the shot placement argument to the extreme. Say this thread on he Hide a while ago. Some guy was looking for caliber advice for 500-700yd deer and elk. Most recommendations were sane, the guy advocating shot placement and how great the 223 with a 60gr Vmax is on elk? Not so much.

http://forum.snipershide.com/threads/500-700-elk-deer-lightest-recoil.6955212/