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.
Jordan foreign minister says to speak with Kerry on Israel-Palestinian conflict (Reuters)
from the article: Egypt presidential hopeful Moussa wants to keep peace with Israel