Putting distance between the human and the point-of-impact makes it easier to pull the trigger. Will be interesting to see the stats on this.
Their lives are no longer in danger and thus they have no reason to panic and react (with lethal force) to unconfirmed threats.
Thoughts?
I disapprove of killer robots though.
If someone says a coin toss is 50/50 I don't jump in with "not always" though.