Is Nordic humour too dark for the rest of the world?
bbc.com
bbc.com
And let's not even get into some of the comedies and stuff you can find online... There are some audiences out there who would find your average gallows humour tame and boring by comparison.
As for whether any of that stuff would be as popular with mainstream critics or audiences... that's a bit more debatable. But this sort of stuff (like anything else) can find a niche.
Great film making nations though. Bergman, Dreyer, Sjöström etc.
So they don't make comedies as well or in enough numbers as other types. BFD.
It's hard to find an American comedy (since Wag the Dog, perhaps) that doesn't fall on the gag of fremdschämen.
A typical example of the bleak humour from here would be the Danish movie [Flickering Lights](https://www.youtube.com/watch?v=XE4ZBcK01HU)