Thanks to Steve for pointing out that the thread in question was still there:

TheSession on DADGAD

(My contribution to it was fairly minimal, not disagreeing with anybody, and I don't feel any urge to contribute any more)."
   hardly surprising, you know full well that a proportion of irish music is derived from scottish tunes, which makes your statement about it being ok to accompany scottish tunes but not irish tunes ,ridiculous, because the two traditions share a lot of tunes in common.