Yeah, a silver tongue can do that, he knows it. That's a lot of how people turned even reasonable folk against his species. But that doesn't mean he thinks it's as easy as Balthier says it is.

"A silver tongue is something that is only dangerous when you intend to do something bad with it, Balthier. And you've got a good mind. A good heart. And a fucking serious set of morals. I don't believe you'd do something wrong with it. Why would you ever do that?"

Because David? He thinks he'd do things for people's own good.