Though the principal of having pundits who've been good at what they're discussing is a perfectly reasonable one, I'd personally far rather listen to someone like Jon Parkin, than Phil Thompson. Nothing to do with his Scouse accent, I just don't think he was a very good pundit.
Michael Owen won pretty much everything, at club level and at International level, even the Ballon d'Or, but he's the worst pundit that ever lived.
That said, there's plenty I'd rather have seen sacked ahead of these three, Garth Crooks topping that list.