I’ve flown with Bangladesh Biman back in it’s infancy, so there are no such thing as a bad airline after that.
Norwegian Air Shuttle ASA is a lot more complicated than you should believe from a small budget airline. It has subsidiaries all over the place and hire people from all over the world.
If you have the time and interest, here is a description of the web that has been spun:
If it is a “Flag Carrier” the question is; which flag??