It would appear that all may not be sweetness and light around Collinstown;
From The Irish Times 5th October 2017;
Relations between Aer Lingus and Dublin Airport have “soured immensely” in the last year, according to the airline’s chief operating officer, Mike Rutter.
https://www.irishtimes.com/business/...sely-1.3243989
From the same newspaper's Cantillon business commentary section;
Airlines and airports regularly fall out over infrastructure. Nevertheless, this looks like more than the usual spat, as four years ago the airport said it supported the airline’s plans to use Dublin as a transatlantic gateway.
https://www.irishtimes.com/business/...-daa-1.3244611