I really like that Gohan is taken away by Kaioshin and that everyone thinks he's dead. I like that the reader knows more than the characters and it creates more tension for our characters thinking they have no chance against Boo.
But... why do they think Gohan is dead? 10 pages ago, they used the dragon balls to resurrect everyone killed this day. So they should think Gohan was resurrected as well. This is one of the few instances where the only explanation is bad writing by Toriyama, even if it's a pretty minor thing.