We all do the same job, and anyone who is rude to crew of other airlines just because they are another airline really needs to stop flying and go work in a job that involves putting stickers on apples, or spending hours contemplating their navel...
Don't forget that toes you tread on now may one day be connected to the feet & legs that hold up the butt you need to kiss in your next job!!! What goes around comes around...
Oh and PS can you imagine if this refusal to interact were a major trend in airlines? The Truck in NRT would not survive!!!
hahaha