I assume people are much the same everywhere — 80% fantastic, 10% arseholes, 10% lizardman constant.

But with headlines like this, and a somewhat-posh English accent, I didn't want to risk either of those 10s: https://m.independent.ie/irish-news/fury-at-torys-call-to-th...

In retrospect it would've been fine, but I had to guess in advance the UK wasn't going to actually try that, and they kinda have a history there…

Our largest immigrant group in Ireland is Brits.

Nobody gives a fuck.

Mate, I wouldn't worry about it. In Ireland you'd be fine, no different from someone in Scotland ranting at you about the Tories.

"as long as you're good craic."

Now that is an interesting usage.

I take it as using "crack" in an expansive sense of "company" rather than simply "news" or "gossip"?

(Possibly something which may confuse non native speakers of English.)

Comedian Dara O'Brien wanted to name one of his shows something like "Good craic", but was told he couldn't because the British would colossally misunderstand.

Misunderstand in what manner? The written form, the spoken form, or some minor meaning?

The spoken "crack" has currency from around Yorkshire / Lancashire north, meaning "news" / "gossip" / "comversation", it'd not be confused.

South of there is isn't so common. Many folks in the northern part recognise the Irishised spelling, but not all.

Have a read of the first paragraph of this, which (as far as GB goes) is a fair summary:

https://en.wikipedia.org/wiki/Craic

Misunderstood as the homophone crack is type of cocaine.

Either that or butt checks, which are also euphemistically someone's "crack", but the implication I took from it being disallowed was the former.