Could well have been - but, for a so-called intelligent friend of a supposedly intelligent housemate, it wasn't very well coded at all

.
I'm sure Big Brother could have spotted it a mile off - but then again, maybe BB thought it would be interesting to see how Bea reacted when under pressure - especially after going for Freddie's jugular when he was feeling paranoid last week.
For a woman with a 2:1 Psychology degree, she's certainly not got any people skills and has no clue at all about genuine empathy. Heaven help anybody who was misguided enough to turn to her for help!