I am sure the several thousand employees, their families,the government who receive millions in taxes every year which is used to pay for the services which you enjoy and the 10 million pax they carried would notice.
I am also sure that whatever business you are in would suffer due to less Irish customers buying its goods or services.So while you are not a fan of Aer Lingus,which is your choice,The benefits of its survival to the Irish economy must be clear now, even to you.