The airlines aren't under significant pressure to change how they do things on such flights. The hit is really going to come in the form of what happens when using the rail.

By the way, Swedish border police staffing has been sort of reduced for at least a bit of the holiday period, so train delays in the direction of Sweden are relatively worse than usual when controlling for passenger counts. By January 5th, it'll be interesting to see how messed up this is and how it hits people taking the train from CPH to Danish points along the Oresundstag route.

Securitas has a related contract but they don't have a legal right to access all ID-related info, if they have doubts about the ID. And the real problem with this outsourcing AND privatization of what should be a government function? The government can encourage denying admission to those even with a guaranteed legal admissibility without being held fully accountable for encouraging such denial of admission -- even to its own citizens.