Originally Posted by irishguy28

Aer Lingus hasn't left a "void" - it is still very much present and has a larger footprint than it ever had before. Besides, from a oneworld perspective, BA is back at DUB and therefore the "void" has been filled.

And while Ryanair will NEVER join an alliance, there is no way they would be able to join oneworld - the same one that Aer Lingus is associated with and will probably re-join - because of the monopoly that the alliance would hold at DUB, for example.