The article doesn’t actually say how this is supposed to prevent attacks, particularly in beach settings with swimmers, surfers, etc.
What, the shark’s going to stay away because it’s worried it might be recognized?
“Dude, you best stay outa there! You know they’ve got your number. They’ll be at your house waiting on you!”
“Shut up, dick! I know what I’m doing. I’ve got a disguise on this time. They’ll think I’m Edgar. He’s an asshole, anyway.”