No, it doesn't hurt everyone inside Egypt. I don't think you understand the extent to which Salafist thought has penetrated the Muslim world. It is by definition traditional and also by its very nature inward looking and isolationist. The idea of cutting off Egypt from the influence of the outside world is enormously appealing to such folks.

Indeed, this was the fundamental demand of al qaeda and Osama Bin Laden, for the west to halt contact with the Islamic world and stop influencing it.