Exactly. They're basically the equivalent of "Ha! If I were Yamamoto, I would have...." because they know what happened and when and what would have turned eve

Exactly. They're basically the equivalent of "Ha! If I were Yamamoto, I would have...." because they know what happened and when and what would have turned events. But had they been in Yamamoto's (or Nimitz's or Patton's, or Rommel's) position, would have made much worse decisions. As you say they have complete benefit of decades of study of the war and tactics as well as limitations we are privileged to know only after the war.