You only have Israel to blame for this. They have roadblocked and tried to ridicule Abbas so much that the normal folk have lost respect for him. When Abbas' moderate attempts have failed and still fail daily, you think people will keep trying them, or move to a more radical option?
Brazilian head of UN peacekeeping force in Haiti dies of heart attack (Reuters)
from the article: At Ramallah protest, Hamas’ green overcomes Fatah's yellow