Not sure what you are saying.
Ok a guy is fucked. All the people plummeting from the burning 9/11 towers were fucked. What do I want them to do? Whatever they fucking can. Run around even if hopelessly looking for something you might be able to throw out to him to pull him in or give him buoyancy. Yes call 9/11 even if futile.
What you don't do is stand idly by and use whatever time you and he has to film the incident while mocking the guy as he dies in front of you.
I am typically not for more and more interventionist gov't but when you see cases like it makes me want to support 'good samaritan' and other laws where people like this can be punished. and sure once i calm down i realize those laws are generally stupid, but many others don't and support them being imposed due to stupid people like these kids.