It's not a good user experience when you feel you've been chastised by a computer program. All I did was click on the fishy for heck's sake!
It's a bad idea to make users feel stupid. There are a bunch of things these guys might have been able to do to improve the interaction:
But at the very least they could re-word this message so I don't feel like I'm in grade 3 being punished by Mrs Brown.