European ones are probably also dinosaurs. Ready to disappear, just look at what direction LH is going.
Bottom line: direct correlatation with cost of labor. Nice service at an affordable cost in country that still engage in (semi-)slavery.
And yes, I am aware that some on FT wish Canadian labor would be reduced to a similar state. Until their kids drop out of school and end up looking for a low level job with AC. At which point maybe they'll change their mind?