Utah might have been worse if the first wave hadn't hit the wrong beach. The planned landing area was more heavily defended.
Right...it is one of the reasons I find Monday Morning Quarterbacking so distateful.
War simply is full of things that can be analyzed after the fact, but often are unknown before. People do the best they can in the situation they are in.
Sure, there are acts of gross negligence, but many things in battle characterized that way are not...they are simply mistakes made by normally competent people under pressure or in the fog of war.