Ryanair
Ryanair were not given any deal to launch Cork Gatwick and Cork Dublin.
Furthermore Easyjet also had to pay full charges on the route.
Easyjet's load factors were quite good but their yield was disappointing. The major problem they had was that the vast majority of Irish people travelled with EI and FR.
Easyjet didn't have the same brand recognition with Cork people, how many even checked their website before booking?
There are many other low costs operating into Cork successfully without provoking a response from Ryanair. It was Easyjet's decision to compete on a London Route that irked Ryanair.