We can’t kill all Muslims. The bodies would pile up like mountains.
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Your theory. Not mine.
Are you a Christian?
But, as a Christian, I wouldn't recommend killing 1.7 Billion people unless I had pretty clear communications from God that He wanted me to do such.
Brings to mind when God instructed the Israelites to kill all the men, women, children, and even livestock of their Canaanite adversaries.
Killing that many people is a big deal. I wouldn't want to do it unless under direct instructions from the REALLY Big Guy.;-)