It's how people handle themselves after being let go. John Torode for example, left quietly, lay low for a bit and now he's back on This Morning.
Another chef on Saturday Breakfast was accused of abusing his wife, went away quietly and now pops up here and there.
Showbiz bosses are lazy and would rather stick with the same format and same people.
Nadia could have come back as a presenter for something else, but she's burning her bridges.
May be wrong, but I didn't see her do much else outside of her show. Seems she saw it as a job for life and wasn't bothered to diversify.
Unless you're Nigella where you are loaded and don't need to work, you have to keep at it.
Gatekeeping an opportunity/job is the height of entitlement and greed.
The BBC should have just said they wanted to give another Bake Off winner the job. Can't please some people.