Surely it's the most vital of dances to be in time to? If you can't keep up in your own personally choreographed dance then there's really no hope.
Hey, if Jay can get a 10 for dropping his partner then Kellie can get 10s for (in your opinion) being out of time...but again, Craig would never let that slide, he would have marked her down for that if it happened.
Aliona slipped as opposed to Jay dropping her. Don't take my word for it - go on the serious dance forums & blogs to see their analysis.
Vids, tonight of all nights is not the time for any of us to take the judge's seriously - it's all about promoting the show, hype, and getting people to vote. It's also the night when critiquing is not on a level playing field. Kevin's 3rd time lucky story might win it, who knows?