Gee would that be a bit of a chip on the shoulder mate. Chill......and try to get some more sleep!
3 man crew, all can use the first class seat.
4 man crew, Captain first class, and F/Os have a reserved business class seat as well as a bunk. Extra crew do not have to be on the flight deck for all take offs and landings.
I am not saying that KAL is safer than EK, only that I am no where near as fatigued with KAL as I was with EK. Despite flying the same or more hours and more ULH sectors.