That was actually one of the more derpy statements by Shepard in game.
No it wasn't
He/She just gets lucky that Traynor's Asari opponent was incapable of demolishing him with a good zinger.
Luck had nothing to do with it. That asari was just a couple cans short of a six-pack
That statement makes Shepard look like he's unfamiliar with galactic history.
Its possible that Shepard doesn't care about that history especially if it has to do with the asari
The Asari have yet to lose a war.
Did they win one on their own?
The Rachni War and the Krogan Rebellion were both victories.
Victories for the Turians, Salarians and asari and not just one species
Up to that point the Asari also had a better record than the Alliance in the Reaper War, as they managed to win a few battles while the Alliance hadn't.
Battles are not wars. Would they of won those battles if the reapers attacked Thessia first before Earth?
And of the two battles of the Krogan Rebellion mentioned so far in the lore...the Asari defeated the Krogan in both.
A battle is not a war. You can win battles and still lose the war