People died, or saw their best friends die, so that Taverner could state that opinion.
People lost arms and legs, or saw their best friends lose them, so Taverner could state that opionion.
People were wounded, or saw their best friends wounded, so that Taverner could state that opinion.
People served, and still serve, in the military, so that Taverner could freely state that opinion without fear of retribution.
You'd think there'd be some recognition of how lucky the DUmmie is for living in a country that lets you vocally hate it...