Alternatives for a tiny fraction of your exports at dramatically increased costs which eradicate Irish export competitiveness.

around reddit for months now, and it's at most a moderate, solvable logistic concern for Ireland

Sure, if you had hundreds of billions of euros and an army of Chinese labourers. You don’t though.

threaten us

One thing that Brexit has taught is Ireland is still bitter, petty and twisted towards Britain. You and I both know the Irish economy desperately needs Britain and just makes the hyper nationalist, terrorist lunatic in you see red. Britain, on the other hand doesn’t really care. Without you all that changes is our McDonalds serve British meat instead of British and Irish meat, and that just pisses you off more.