If that’s true, then it’s only to replace him with someone even more radical. Or a fake “moderate”, like Rowhani over in Iran.
You apparently haven’t been reading about this, then.
It is more modern secularist Egyptians that do not want Islamic rule that are massing in these protests. Same thing as in Turkey. 14 to 17 million in Egypt today.
TB2 has a good thread about what’s going on: