The cult does not care if its members are killed they would rather see you and your family dead than a news headline that that says JW kills intruder. They are such a bunch of assholes.
That is an interesting letter from the org. You need to remember that the org has a public image of non-violence. They say it is a personal matter but then they judge and say you are not spiritually matured. screenshot from WT July 2017 below