I mean, other people had brought it up here and were concerned.  Honestly I was concerned when I first saw them but thought it was worth clarifying after seeing other pictures of the whole group.  If anything I prefer a rowdier student section but I think if that had been the intent it would have been a really bad look and would have stepped over the line.  Just hate to see an innocent costume be looked at as mocking religious customs.  Here's a post that came up just a minute after my post so at the very least I wasn't the only one talking about it:  https://www.cougarboard.com/board/message.html?id=23031853