But, not Anika?
There is a fundamental flaw in this programme. All of the participants have homes. Most are clever, self-made, successful people. Even if they had no celebrity status they obviously have the ability to promote themselves and their own cause. They can sell. As far as we know they don't have habits to feed, or issues that control their lives. They've chosen to do this and haven't found themselves in a situation beyond their control. None seem obviously depressed, or mentally distressed, or skint. It's all a bit pointless really.
That said, it's good that people are talking about it.
This isn't an old repeat is it? The names all ring Blue Peter and the Beeb of Twenty years ago.