in either a moral or a imoral army, soldiers are sheeps, used to follow up orders, to not act before one of the superiors tells you to do so. In armies, there is no place for an individual. Therefor the decision of not bringing in the soldiers for questioning is a logical consequence. The worrying thing is not the soldiers behaviour during the flottilla raid but that every Israeli is basically being forced to become a sheep for israel.
Austrian chancellor: Austria and Germany will allow migrants entry (Reuters)
from the article: Despite wider remit, soldiers won't be questioned in Gaza flotilla probe