A question for Muslim and Islamic Scholars

It is claimed that Muhammad is the last and the greatest prophet, and the Quran is said by Muslims that it is the true inerrant word of God. My question is: why are so many Islamic countries, who live and have the benefits of Muhammad's teaching and the Quran barbaric, backward in several aspects, brutal (particularly to women), badly bureaucratic (with so much corruption, economic mismanagement, nepotism, fraud) and bad governed. So many Muslims seem to be proud of their religion but not proud of the way it is practised in Islamic states and majority Muslim lands. They are often eager to leave these lands for Western countries. One might argue it is mainly for economic reasons, but there are others because their own countries, under Islam, are a mess, mucked up. There is high unemployment and unstable working conditions (dreadful health and safety practices). Some would even admit the the criminal justice systems of Western civilization is far superior to what they have experienced in the Islamic world. Some are here as a result of Shia/Sunni tensions and troubles. Life is far preferable in England, USA and Canada because they have a much greater freedom from forms of persecution, and they can live a better life, a prosperous life, one with a much higher standard of living. The treatment of women is some Islamic countries is beyond the comprehension of Western women. FGM, oppressive dress codes, restrictions in movement and travel, driving and employment, status (being taught that women are inferior and of less value than men) and a whole host of difficulties results in women coming to the West and not wanting to return home to a miserable Islamic way of life. Now I know that not all Muslims agree with the restrictions and these regimes, but the track record of violence, jihadism etc. should be addressed. No mainstream Islamic school of the religion has to my knowledge ever condemned jihad, though Muslims may have condemned certain acts of terrorism. But the prevalance of Islamic terrorism or terrorism in the name of Islam needs to be addressed.