Even with perfect knowledge right now, there’s no guarantee that knowledge will remain relevant when it reaches another person at the fastest speed knowledge is able to travel. A reasonable answer on one side of the universe could be seen as nonsensical on the other side - for instance, the belief that we might one day populate a planet which no longer exists.
As soon as you leave the local reference frame (the area in a system from which observable events can realistically be considered happening “right now”), fact checking is indeed required.
Even with perfect knowledge right now, there’s no guarantee that knowledge will remain relevant when it reaches another person at the fastest speed knowledge is able to travel. A reasonable answer on one side of the universe could be seen as nonsensical on the other side - for instance, the belief that we might one day populate a planet which no longer exists.
As soon as you leave the local reference frame (the area in a system from which observable events can realistically be considered happening “right now”), fact checking is indeed required.