"Observation without interference is generally better for both species and researcher, but that doesn't necessarily mean you shouldn't ever step in. Especially not if there's a relatively easy way of helping without compromising your main objective." Hermione wasn't arguing with him, strictly speaking, since she knew he'd acted against this "Prime Directive" thing, but she still didn't like the idea that there have likely been countless lives lost just because a particular crew didn't want to bend the rules to do the right thing. Even she knew better than that.