Seems rather dramatic to do it live from Blackpool
(especially when as said before, it's most likely because she's pretty sure she won't be offered a contract for next year's show anyway).
Personally, I'm just relieved I won't have to watch any sport or soap stars knee sliding across the dance floor next year. Or play yet another round of, "which week will Ola pull out the lacy cat suit?"
(answer: depends on how rubbish her dance partner is)