I find the project fun, and he is firmly tongue in cheek about it I believe.
Not a bad marketplace really, it`s just the sort of thing the kids will buy their middle-aged punk Dads for Christmas.
Oh dear...

That looks like a hint!
They are a funny breed Xmas albums, get it right and you have a job for life, but I think in Mr Idols case, this is a well timed release, and not a bad career move at all.
He was allways a born star and still sells his own image as well as he did back in 1977.