Have you ever wondered?

Why whenever the Israelis retalitate when terrorists attack them that they are "violating human rights" or "committing war crimes" but the terrorists apparently are not even when they specifically target civilians? Not that the Israel campaign in Lebanon is really a good thing at the moment, they do seem to be targetting civillians at this point which is a bit unusual, generally they are more tactful about it. Suppose I shouldn't expect parity in the press or general public tho should I? Especially not in the US or Europe.