There have been far too many events in the West Bank when instead of taking action, the IDF has chosen to sit back and focus on protecting itself, thus letting the settlers down. You are right to think that the situation is complicated. You would be dead wrong to think that some officers in the IDF have not forsaken their duties and thus let down the settlers.
Suspect Bangkok bomber arrested, found with possible bomb-making materials (Reuters)
from the article: IDF soldiers: Problem in West Bank isn't Palestinains, it's Jews