Quote Originally Posted by StonedApe View Post
Yes.

If we rid the planet of people who believe the earth is flat by teaching them science this is generally accepted as ok(though not universally eg creationists) But if get rid of them by killing them people usually have issues with it. If you can't see why then I can't really help you here.
But what if they don't want to know science? What of the people who want to continue to believe otherwise?