this is just a way of them making a POLITICAL STATEMENT.
IETF needs to be A-political. Apparently it's not.
Besides we shouldn't really care about people from the handful of "banned nations" when it comes to the internet anyway. After all, do we really want THEM dictating or affecting any kind of intarweb policy for the rest of the world? I don't.
('big brother' icon because of the unnecessary politics)
adding a link - not their first rodeo, either: