By pulling out of LGW Aer Lingus have pretty much admitted they cannot sustain a base outside of the island of Ireland.
No they've admitted that it was stoo-pid to go head to head with multiple competitors on existing routes, that it is was stoo-pid to so blatently challenge Easyjet and invite their wrath upon them (Munich, Vienna, Zurich), and that it was stoo-pid to keep doing so for so long.