[llamaz]

It was severely punished in all societies until recently. Islamic societies have not developed yet, and its not entirely clear that it's because of Islam. First you have to accept that ideas, rather than the material conditions, are primarily responsible for changing society. That's not obvious, and it's not obvious that the material conditions primarily change society either. Both culture and material conditions are responsible, and things are unimaginably complex, to the point that we as humans collectively can't control the direction of history.