I thought Wikipedia had a policy for this called Ignore All Rules.  Apparently, however, it is just a decoration.  Simple reason it has fallen into disfavor is that it really doesn't find use for maintenance staff who rely on conventional practice.  It will mainly find use for article writers who have an aim towards improving an article and dislike bureaucratic hairsplitting getting in the way of making an article better.  Unfortunately there are too many maintenance staff kind of editors especially among admins and less and less of the fundamental article improvement variety. IAR is dead.