Mmm maybe you are right but I see more ad more Ek and Ey pax going WEst via Dublin clearing customs immigration in Dublin and onward with EI Dl Ua US etc so eg: Dxb man dub ord Ek and EI , now NCL not linked yet but plans are there for EIR NCL DUblin so who knows ! A lot of non Eu passengers like clearing border controls in Dublin , we have softened those Us border folks over the years