As a former Scoutmaster, I can appreciate the views expressed by Stephenson, however I would not attempt to make any judgement calls by making this an issue of political correctness...we didn't have a PC Patrol.  :) However, I would have conferred with the Senior Patrol Leadera as determined if we should call a Patrol Leaders Council (Junior Leadership chaired by the Senior Patrol Leader) and have them decide if we should address this with the entire Troop...if they deemed it appropriate. Rather than have this viewed as a negative experience, use it to have a rational and civil discussion...if necessary.  Just my thoughts...