I'm betting Destiny's look was far more a result of thinking what a ship full of desperate and stranded people should look like, to convey a sense of strandedness and desperation, than what an Ancient ship would actually look like. If it was bright, powerful, and impressive, the audience wouldn't have bought into the idea that the crew was desperate and stranded.
Heh, and unagreeable and unlikable as all the characters were S1, I'm pretty sure they could be is a Hot Pink Room, with Bunnies and Unicorns on the walls, and we'd still buy they were desperate
One Day I hope to be the Man my Cat thinks I am
Where are we going? And why are we in this Handbasket?