Re: Picard was right, Sisko was in the wrong..
If the Cube had of got to Earth they might not have been much safer there. Picard still lost his family in Generations. They might have been safer in a Starship.
Besides, the Enterprise wasn't evacuated before engaging the Borg was it? Riker was prepared the ram at warp speed later on.
"Weaselling out of things is important to learn. It's what separates us from the animals - except the weasels" Homer Jay Simpson