I don't know that it has anything to do with being PC. Just basic self preservation on 2 frontsThis is a PC overreaction. Wally Gator is spinning in his grave.
A. Who wants guests to think about Alligators at all right now? Why remind people?
B. You know if they didn't cut out every gator or crocodile reference they can they would get criticism for being insensitive. There is no up side for them to leave that stuff in right now.