IMHO i think that people should be incredibly careful with manatees, because i've seen people do dumb stuff with animals at zoos, petting zoos, tourist attractions, everywhere, and with animals it's dangerous, because you could easily threaten one and be greatly harmed. And if you watched the time-lapse, halfway through something scared the manatees and cause kind of a water stampede, and it looked like a major scare caused by someone doing something that they shouldn't have. Endangered or not, i think people should be careful and keep their distance (unless they know what they're doing) because the PEOPLE could get hurt.