This was all made public back in 2006 after the Lebanon war. The US Congress banned sale of some weapons after that war, too. The weapons, cluster munitions were defective and yet they were knowingly used and shipped for use, knowing they were defective. Even the US DOD has decided that they are too defective to continue being purchased for use by US Forces. And after the totally irresponsible use they were used for in 2006, the Irish decision was only logical. That was all in the news in the US and Ireland and Israel in 2006.
Australian police arrest 5 over shooting 'linked to terrorism' (Reuters)
from the article: New WikiLeaks revelations show Ireland blocking U.S. arms to Israel