I'm a serious quizzer- hence my name- and hate, hate, hate 'celebrity' versions of quiz shows. In general, they have zero personality and even less general knowledge and are desperate to hang on to past 'glories' from years ago. It's embarrassing how they behave. If they want to be involved in charities just send them a cheque from their own bank account.
They even ruined Tenable this Christmas. Ann Widdecombe couldn't name 10 Strictly dances, Christopher Biggins thought Romeo and Juliet was a comedy.