Well they do this to those who disagree
http://en.m.wikipedia.org/wiki/Death...da_Agha-Soltan.... who can say how many believe it probably about the same ratio as anywhere else.
@Marcus your last line seems those types are everywhere. In the US you'll see some my favorite of their sologans is "these colors don't run" I feel like handing them a history book. You know the blind followers which by at least my view of what American citizenship the first duty is to question anything the government dose or says. I'd say that is the duty of any citizen of any nation. In the US the oath of enlistment as well as for officers is to defend the constitution and the people not a certain leader. We kneel to no kings.