Exactly! Because, though they 'brought Daniel back' he obviously wasn't the same. He did have some level of self-control though, which is great for the plot but confusing wrt their established canon.

I'm speculating that Cora is manipulating the corpses kind of like Inferi from HP? Literally no free will of their own, just 'alive' to perform a task. It makes more sense to me that she uses them against Team Warrior Princesses as obstacles than as the flesh-eating variety of zombies, though it's Cora (and the writers of OUAT) so honestly, anything goes.