Israel knows how to take responsibility. A recent example is Vinograd (the list of investigations that critcized all levels of gvnt is long, google it) . When was the last time you saw something even close to that amongst the Pals or even Arab world? Perhaps your Bunker Mentality might apply more readily to them.
U.S. Democratic Senator Merkley airs support for Iran nuclear deal (Reuters)
from the article: IDF to charge soldier with killing two Palestinian women during Gaza war