Well leveller, it seems that there are many in the Arab world who would disagree with the "Jewish UK MP" whom you cite.

Arab Leaders, Civilians Blame Hamas for Gaza Violence

Arab leaders such as Palestinian Authority President Mahmoud Abbas and Egyptian President Hosni Mubarak as well as other public figures continue to condemn Hamas for the violence in Gaza. They have issued statements stating that maintaining the truce could have helped the Palestinians avoid the Israeli raids and blame Hamas as fully responsible for the situation. Meanwhile Israel continues its defensive operations in order to stop Iran-backed Hamas from firing thousands of rockets, missiles and mortars on Israeli civilians.

If you go the site http://newsblaze.com/story/20090110065320zzzz.nb/topstory.html you can read what Arabs from Egypt, the Palestinian Territories, Iran, Tunisia and Saudi Arabia have to say on this subject.