You'd think their practical joke could at least include some Gaelic!
Why not contact them via this page, and give the the URL to this Apple discussion?
http://www.apple.com/support/itunes/store/browser/
They must have a bad link in there, somewhere. They will send a canned reply that has nothing to do with your problem, probably. But if you reply back to THAT, they should notice.
It shows up OK in English if you click the links for Ireland on this page
http://www.apple.com/legal/itunes/ww/
But yeah , I think they should let you read what you're agreeing to in your own language.