They always forget that Batman is one of the coldest guys in fiction, he would just ask Omni-man if he had killed Penguin and if Batman had any problems with that he would talk privately
"Arghh!!! What have you done!?" Batman demanded, his voice a mix of anger and frustration, "Omni-Man, this wasn't necessary!" He shouted.
"You shut up! I carry on my back the Inherited Will of millions of fans... You simply can't compare!" Hector continues to fight Bartolomeo's crew through the deck.