It's that simple! He might be a good bureaucrat but he is definitely no leader and completely lacks charisma. The only one less charismatic than him is El-Baradei. He would have had a better chance if he had stood up to Mubarak's capitulation to Israel, but unfortunately he lacked the bravery for that.
Bin Laden's family killed in private plane crash in England, officials say (AP)
from the article: Egypt presidential hopeful Moussa wants to keep peace with Israel