In the only cases I can find of the IDF conclusively being proven to use human shields (which the Israeli Supreme Court defined as clearly illegal), the commanders in question were punished.
You mean that those who were caught on video with incontravertable evidence in the period after many court cases finally led to a supreme court ruling get an official reprimand .
Have you seen this years ones from the West Bank ? them official reprimands are a real deterrent ain't they