No, he did not "literally" have a gun to Sylvanas's head. If you are going to start with this, then there is no point in even trying to have a civil debate with you.
Never mentioned the plague, but you are obviously losing and trying to get pity points where you can scrap them up from...2. I do not think the plague is more evil than, let's say, a big gigantic inferno to kill thousands of Trolls.