Why the nun? Because if they were going to do this gag, its the only option they had.. there reqally werent any other female characters in the script other than the sexpot wife that was trying to bump off her husband, and since they played her as a sexpot from the get go, showing her in something revealing wouldn’t have been out of character.
The only other female characters in the film, besides the kids, were the nuns at the orphanage. So, take a character and put them out of character and you get what hopefully is funny. I saw this personally as an unneeded sight gag, but hardly do I feel my faith is under fire from it.
Deal with far worse things routinely on here by fellow “christians” attacking my faith nearly daily.
What about the nun, played by Larry David, named “Sister Mary Mengele?” Did you find it inoffensive that she happened to share the same last name as Josef Mengele, the Nazi SS officer, the death camp doctor who committed all manner of atrocities?