So they've finally worked out that being a Christmas Special doesn't mean you have to be a CHRISTMAS Special. Only took them 10 years:
"… basically you become aware of how many times you have done Christmas specials. Eventually you run out of things to do - or you end up with 'deadly snake tinsel'”
http://www.blastr.com/2015-11-16/ri...eryone-peter-capaldi-doctor-whos-xmas-special
Let's face it, there's no way they even try to go more "Christmase" than last year.

But still, that's just trappings, that's not about Christmas like all of Moffat's have been.