"Three clicks convert a data point on the map into a formal detection and move it into a targeting pipeline. These targets then move through columns representing different decision-making processes and rules of engagement. The system recommends how to strike each target – which aircraft, drone or missile to use, which weapon to pair with it – what the military calls a “course of action”. The officer selects from the ranked options, and the system, depending on who is using it, either sends the target package to an officer for approval or moves it to execution."
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Maven is a tool for use in the middle of a war. When both sides are firing, minutes saved can mean lives saved for your side. Those lives, at least partly, balance the risks of hitting a bad target.
This was not a strike made in the middle of a war. If Maven was used in the strike that took out a school, it was being used as part of a sneak attack. Nobody was shooting back while this was being planned. Minutes saved were not lives saved. There should have been a priority placed on getting the targets right. Humans should have been double and triple checking every target by other means. This clearly didn't happen. The school was obviously a school that even had its own website. Humans would have spotted this if they had done more than make their three clicks and move on to the next target.
Whoever made the choice to use Maven to plan a sneak attack without careful checking made an unforced error when they had all the time in the world to prevent it. Whether it was overconfidence in their tools or a complete disregard for the lives of civilians that caused this lapse, they are directly responsible for the deaths of those little girls. I sincerely hope there are (although I doubt there will be) consequences for this person beyond taking that guilt to their grave.