Indeed this is an accurate statement of the values of many people everywhere. Given sufficiently alien values extermination is the goal. Compare the diversity of legitimate governmental systems in 1900 and now. Democracy is existentially hostile to everything else.
And burning the village to the ground is probably a stupid idea, which is a sufficient reason not to do it. But if it can be done and is the most efficient way of achieving the goal there are people doing it.
Service to the state, glory to the Race!
Ask not what your country can do for you, but what you can do for your country!
Yeah, fuck 'em, burn the village to the ground.