I'm sorry, Disney is completely negligent here. While parents certainly have to be aware of any possibilities that may arise at all times, a business has the obligation to educate its patrons on the dangers that exist on their property.
If I were visiting from Nebraska, I certainly wouldn't think for a second there could be gators in Seven Seas Lagoon. Of course, now it seems obvious, but being on vacation in a place like Disney world, I certainly wouldn't think for a second about it.
The idea Disney wouldn't (a) remove the gators; (b) put up signage warning people that they are in the water; and (c) would throw a movie party on the beach, just steps away from water where you know gators have been seen very recently is beyond negligent, it's stupidity beyond belief.
After speaking with someone who is the lead cancel with a Fortune 500 company, this thing will never see a courtroom. His feeling is that this family will most likely see 8 to 9 figures from this.
This was a HUGE oversight. It's about as negligent as it gets. Heads are gonna roll on this one, most likely all the way to the top.