If we kill a billion people, then we're not better then the terrorists we wish to defeat."
The "radical" muslims want to kill us or make us their slaves.
Either your wife, mother, daughter, grandaughter, would be killed or taken as a sex slave, raped and ?.
If the muslim's wife doesn't like it and kills the dhimmi slave, the worst that would happen to her is a beating from her husband.
If we kill a billion of these animals, the world is a better place.
Who is this "we"? A thousand million is a whole lotta killin, specially since a good share of them are under the age of 18.
This is a global economy. Kill a billion potential customers, and this economy is likely to collapse.