They care more about their egos, pride and honour. Stop thinking that the arabs are like westerners and that the old adage applies to them - "I dare you to agitate a fellow with a full stomach". The arabs will only be happy when there is no more Jewish state in the Middle-East. Forget money, they don't even want their own state, but only to see Israel removed. Proof = Civil war in Gaza Strip.
Knesset passes 'Norwegian Law' allowing ministers to resign their seats, remain in cabinet (Haaretz)
from the article: Unmoved by the humanitarian crisis