Policy or an action that is silly.
"That's so fucking irish" mainly used by scots or english who are a bit racist.
In the same league as my mum giving my brother the nickname "O'Reily" because he's a bit thick. Coming from the traditional joke format, "An Englishman, an Irishman and a Scotsman..." where the irishman is the butt of the joke.
"We're building a bridge, but we don't have any river to build it over, so its been cancelled and we're not going into work any more." Dylan Moran giving an example of irish news.