You have to keep in mind that Muslims and the left view Israel as an unjust, occupying force. Therefore this condemnation of the Israeli response to the Hamas rocket barrage is like a condemnation of the Nazi response to the Warsaw uprising. It’s not a peaceful people retaliating in response to a violent attack, it’s an extension of the repression of an apartheid state against freedom fighters.
Basically, in their view, Jews have no right to exist and everything they do is a crime.
Public communication between politicans is mostly theatrics to appease bases. They likely talk in private beforehand, “Hey, I’ve got to toss some red meat out to the savages. Just ignore it.” RINOs do this all the time with Demoncats.