First i would like to say there are many mistakes in fallout 3 bugs stuff like that but only one really really bad one that cannot be forgiven the 200 year jump other than that its good though there are many things that could be done to improve it the 200 year jump was the worst thing about FO3 or i am the only person to think that?

Worst thing about fo3... Mothership zeta

Worst thing about FO3 would be no iron sights.

not that great of a dlc an alright house at best still would be forgivable if it fit better in the Fallout Universe
everything would fit better closer to the original fallout games

no that wasnt even close to being the worst thing even if it was a bad thing not to include fallout isnt a first person shooter game so not having iron sights is acceptable even if its frowned upon