[Jack_]

Something has obviously happened that the producers deem potentially offensive to viewers, and are thus trying to avoid showing it at all costs to avoid a controversy.

Sad, really, as BB thrives off controversies. But like I've been saying, CBBC BB.

Anyway, on topic - if the above is true then it was probably more of an ejection. I imagine they came to an agreement that it would appear to be more his decision, however he would still get his full fee as it was a mutual agreement, as he didn't just quit.