Wrong question.
"If they can get you asking the wrong questions, they don’t have to worry about answers."
-- Thomas Pynchon
It is the burden of civilized people.
I disagree with that from a moral standpoint. You may have a theological argument but I am not going to debate matters of faith.
You may consider it to be a responsibility (burden) but the fact is that spreading "democracy" and enlightenment is not among the enumerated powers granted to the govt.
So feel free to spend your money and possibly life to bring good things to the savages. Just don't demand that me and mine join you in your crusade.
No, you disagree from a LACK of morals standpoint.
Let the islamists rule over "their" part of Earth. Let the NAZIs rule over theirs. And the Communists. And the Klan. And the Huns and the Mongols.
What business is it of ours to oppose them? What "right" do we have to challenge their point of view?
Sleep well in your comfortable tomb, for that is what your life is.