That is your problem; if you cannot allow for a a higher purpose, and that God can both be omniscient and yet be grieved or pleased when will is exercised according to what was foreseen. That God cannot, based upon them manner He expresses it, is a limitation of the infinite on your (superior) part.
Note however, that the destroying another life was not simply because it foresees the destruction that the former life can bring, as you limit it, but was first based on what they had and were impenitently doing.
I am not going to delve into this much, here. We discussed this plenty in the other thread.
I know we have and with others like kosta50 before he was banned.
So that’s what happened to Kosta, he was banned.