In the TV series, the
Donnager is certainly guilty of considerable overconfidence. Granted, she's the biggest and baddest battleship there is, but she
didn't even go to general quarters until the Q-ship launched the six stealth ships
and they opened fire.
However, I don't think the
Donnager's overconfidence is actually that big a factor. Not going to battle stations immediately is only a few seconds difference because the Q-ships popped their torpedo volley as soon as they undocked, and they only fired one volley anyway. What kills the
Donnager in the TV series is a pretty blatant act of plot where her PDCs just. . . don't work. There are only six torpedoes incoming on her, but
multiple of them penetrate the Donnager's PDC net simply because they have "better tracking and guidance" than expected, which doesn't make
any sense when the smaller and less capable
Taichi spends the rest of the TV series quite easily shooting down far heavier torpedo volleys even though she only has
six PDCs versus Donnager having nearly
sixty linked to a much more advanced fire control system and superior sensors.
Edit: Dialogue says six torpedoes, but if we go for visuals over that, there's six stealth ships and they're seen firing four torpedoes each from rapid-reloading twin tubes for a total of twenty-four incoming. That's a lot more sensible, but it's *still* inconsistent with their PDC performance, as the bridge crew *saw* all these torpedoes incoming and fully expected the PDC net to handle that with ease, until it just suddenly didn't.
Oh, was it that way.Reading the book about 10 years ago leads to me forgetting stuff, but from what I recall it wasn't all that hard to take the ship down.
It's kinda implicit -- the Amun-Ra class actually has pretty shitty point defense (we literally see only one PDC firing from one of them; symmetry would suggest they probably have two, or possibly four), but the Donnager's
twenty torpedo volley only killed one of them and there is no dialogue in either the book or the TV show that any unusual number are being shot down; they simply...missed.