Last year they had problems during the summer so they fixed it by creating more overtime this summer, which they are now going to make up during the fall. Brilliant planning.
And why on earth is exit passport control so damn important? I have seen the cops in CPH really slowly go through EU and US passports when there is a long queue, as if I had a time quota per "customer". When I go to Switzerland then they don't even open my passport on both entry and exit. In some ways I prefer the pre-Schengen system.