[SPOILERS] Stormblood Ending

[Daralii]

Oh, I had almost forgotten about the Black Rose chemical weapon. Good of Gaius to stop it, but that just shows that even before Xenos' encouraging rebellion, the Imperials had no regard for non-imperial life

Unfortunately, I imagine that Gaius was opposed to it for the same reason he was opposed to Project Meteor, not because of altruism.