The objective seems to be to push the discussion off-topic. Certainly, the viewpoint that islam is inherently violent is not being addressed. Further, I looked up the off-topic quote in question:

"LOL, You could take em all out at once. All the idiots in one place, kinda like the Democratic National Convention."

I see nothing about bombing anyone in this quote, let alone thinking "killing Americans is funny."

I think it supports the thesis of the thread that the opposition is mostly intent on changing the subject or "locking" the discussion, something distinctly "anti-liberal", of course, and that the "liberals" lack any sense of humor whatsoever.

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Qur'an:8:39 Fight them until all opposition ends and all submit to Allah.
Qur'an:8:67 It is not fitting for any prophet to have prisoners until he has made a great slaughter in the land.
Qur'an 8:12 I will terrorize the unbelievers...Strike off their heads and cut off each of their fingers and toes.
Qur'an 9:5 Fight and kill the disbelievers wherever you find them, take them captive, torture them, and lie in wait and ambush them using every stratagem of war.