No. God never commands killing.
This seems to be question begging because he seems to have in the OT passages.
You claim he metaphorically commanded killing but did not really do so.
I take it that means something like Jesus saying, “If your hand causes you to sin, cut it off.” In other words, Jesus didn’t really mean we should cut off hands. I would, however, insist that he meant what he said, qualified by the fact that he added that nothing outside the heart of a man or woman (nothing external to the will or centre of intention of a person) ever CAUSES a person to sin, but if it did a person SHOULD cut it off because it is better to enter eternal life without a hand than not enter at all. Jesus’ words are entirely literal but wrapped in metaphor.
If we take humanity as a corpus of sorts, then the Amalekites could have been very like that hand that Jesus counselled ought to be “cut off” if the entire body were put in jeopardy. The question is whether the Amalekites could reasonably have been understood to pose the same kind of threat to humanity that say a cancer poses to a human body. Could that have been a reason why they needed to be surgically removed?
I don’t know, but it is possible. Especially considering what needed to be safeguarded later on in history – the birth of the Messiah to a Jewish woman. This was an historical eventuality requiring the historical narrative to arrive there.
This opens huge questions in terms of God’s role in history and how his providential will is accomplished through time and with respect to human free will. How could God assure the birth of a blameless Virgin at a particular time in history? Sheer miraculous intervention? I don’t know about that.
What do you say to this, then: that you can think of no instances where rape would be permissible does not mean there can be none possible.
Again, God can give and take life as He sees fit.
Death has its place in terms of preventing determined agents from committing determinable evil. I am not clear that rape can function as a necessary preventative in the way that killing can. Which is why killing may be permissible – and IS under certain circumstances – but not rape.
God commanding* us* to kill an innocent? Not so much.
I don’t know. That would depend entirely on God having justifiable warrant. Clearly reasons human beings have for refraining from killing innocents do not entirely constrain God from having HIS reasons for doing so.
This just seems to reduce God’s moral will and constraints upon that will to being identical with constraints on human moral wills – which I find no reason, in principle, for thinking to be the truth of the matter.