It's pretty easy to be better when you're subsidized by your government in one form or another. There's absolutely no way we (North American carriers) can compete with that. So if you want to make the Arabs richer - knock yourself out.
@Art VanDelay, I'm actually on your (our) side on this issue, but in my opinion, and others I've talked to, it's not the nicer cabin that makes flying on some of the ME3 or Asian carriers a better experience. It's the service, which costs nothing. I deadhead a lot for work. A bunch. I'm a United 1K and have been for years. In addition to my Star Alliance flying, I do a lot of flying on other carriers, whether it be Emirates, Cathay, Singapore, China Southern, Air France, etc. You name it, if it's a major national airline, I've probably flown on them multiple times over the past few years. The thing that stands out to me is how professional all the international inflight crews are to the customers. This is in stark contrast to what I've seen US FAs do while on our own airlines. I've overheard conversations in the galleys (loud enough to be heard in the seating area) that shocked me (and I don't shock easily). Whether it's catty FA in-fighting, or whatever, it's unprofessional. On top of that just the service and attention that you receive from most of the international in-flight crews is head and shoulders above what I get from our domestic carriers. Water glass empty, boom... do you want me to refill that for you? Would you like another glass of wine, Mr. Sluggo? Can I get you another pillow, another snack, whatever. On the US carriers after the service, you're lucky if you see that flight attendant again for hours. It that attention to the customer that attracts people to some of the foreign airlines over ours. And that service comes at zero cost and has nothing to do with subsidies. Just retraining an emphasis on the customer and not crushing candy in the galley with the curtain drawn. And I don't want to paint with too broad a brush, either. I've had some outstanding service on United. Some flight attendants "get it" and truly a pleasure to be in their care. Unfortunately, those times seem to be the exception rather than the rule on our US flag carriers.
But I am pulling for you guys. I really am. I'd love to see the day when United, Delta and American are thought to be the same calibre as Emirates, Cathay, and Singapore Airlines. You guys can do it... I know you can.