I recently flew J on EK ICN to DXB. As it was a night flight, the crew seemed very tired. It departs almost 12am Seoul time. I wouldn't be surprised that many of the flight attendants also had a "full day" enjoying their time in Seoul, therefore not so keen on service during flight. I didn't experience rudeness but just let's get it over with attitude during the dinner service. None of them chatty at all. I was surprised at the surly atmosphere during the flight.
The food, however, was better on A380 than 777. No question about it.
I wonder if the timing of the flight ex ICN is changed, maybe the service could also improve.
BTW, excellent TR.