There is a possible 3rd option: they didn't have enough time to make a reasoned judgement. It's quite conceivable these human moderators are expected to get t

There is a possible 3rd option: they didn't have enough time to make a reasoned judgement. It's quite conceivable these human moderators are expected to get through <X> tasks per <time period>, and perhaps the values you plug in there are such that it only leaves a very short period of time for each one.