I believe artists must be judged by their work and not their behaviour but I accept that others don't agree! That said, Ó Ríordáin was clearly superior to her as a poet.
To return to the main topic, I have heard that Aosdána is a bit of an old boys' and girls' club and that much schmoozing in the right circles is required to become a member. Then again, most exclusive groups are afflicted by that sort of dynamic - better to have some mediocre artists receive subsidies than no government support at all for the arts.
Maeve Binchy had more book sales than the total of the combined membership of Aosdana.In her spirit she was nearer to Dickens than any of them.