That it is the officers in charge of the killers who are reprimanded here. This is the punishment for the people who should have made sure that the soldiers did not behave in the way they did. It is not the punishment for the killers, and one can only hope that that punishment will be much more severe.
Five arrested in anti-terror raids in Sydney (DPA)
from the article: Two IDF officers reprimanded over deaths of 4 Palestinians