I don't think you understand the hype about classic. I haven't played Aion in a very long time (3.0 or something like that). Opening a classic server would bring a lot of older players that don't play Aion currently back (like me). Nobody in NA plays Aion retail now because... it sucks lol.
Private servers are failing because none of them are good. They either have boring and unbalanced versions like 4.6 or shitty codes and lots of bugs. Having an official classic server with decent code would solve this issue. I can guarantee that if there is a classic server for both NA/EU together, the