There's not much to be said about this that isn't in the linked article. I cannot imagine what would make someone "want" to do these things - even if you can yourself get PAST the routine exploitation of innocent people which I cannot!
At any rate - be aware.
That's all this is about...
Don't let these guys stop you from helping!
Just be sure to be vigilant about checking that the source is legit.
See "Lowlife Scum Exploits Recent Florida Parkland School Shooting"