Taking 'They are thus a ready audience for calls to Muslims to purify their society, reject unwelcome modernization, and adhere strictly to the Sharia.' as a given, does it logically imply 'Muslims should indeed purify their society.  '
They are thus a ready audience for calls to Muslims to purify their society, reject unwelcome modernization, and adhere strictly to the Sharia.###Muslims should indeed purify their society.  