Nothing is fair in that part of the world, or anywhere for that matter. Dubai is one of the must unfair, unequal, hypocritical and evil places in the world. Nothing I can do about it except boycott their airline and never go there.
The sultan of Dubai can do what he likes
That's the gist of it, and the EU airlines will carry on flying to the place as long as they make profits from so doing.
As for the ME airlines receiving fuel subsidies, they have frequently and vigorously denied it. I have my own view on that one.