The Daily Mail article is all about generating buzz for her book launch next week.
The Murdochs are 110% in on Kelly, they bought her with the book deal which is never going to make back the giant advance ($10 million IIRC) they paid her.
The attempted kill shot on Trump in the first debate and the continued Trump-bashing was simply Kelly delivering for her owners, the Murdochs.
That means Fox News has no future.