If Bertie survives his current little domestic difficulties (which I suspect he will) I imagine that not only will his devotion to his North Dublin voters influence his view but also his utter contempt for MOL may also be a factor.
There is no love lost between those chaps.
While the state only retains about 25% (is it 28%?) of Aer Lingus, is it not still in the governments power to stuff this takeover?