Unfortunately, I have to admit that about 5 years ago, I made exactly the same comment as Mary O'Rourke in a conversation amongst black people. I learned a very had lesson then, and am still learning it now.
I can tell you that all the attempts to brush this comment off, to try to lessen what was said, and to try to assail those who pick up on the comment as being over the top politically correct, is extremely unfortunate and is enormously damaging to any credibility we as an Irish nation may be trying to build as being a multi-cultural nation.
It doesn't matter where the comment originates within our Irish psyche, or what state of mind a future government minister was in when she said it, it is an absolutely racist comment and should have no place in Irish society of today.
I lost 3 very good friends (1 black and 2 white) because of my comments. They didn't care how or why I came to make the comment, only that it was wrong, and racist, and showed a lack of awareness at the time on my part in how I was thinking.
Mary O'Rourke should not be allowed get away with making this comment. An apology is not enough. She must stand down because of it, and as a nation we should be showing our displeasure of a potential leader making such comments by calling for her to stand down at every possible opportunity, and not excusing the comments as people are doing here.