Redundant, I know, but I will take that risk, in order to quote the 1952 critique again. This is philologist David Greene, on the subject of Sean O'Faolain's revision of Saint Brigid's Ale-Feast, or, as O'Faolain terms it, The Heavenly Banquet. Samuel Barber's musical setting, as quoted in the message which opens this thread, repeats exactly O'Faolain's version from The Silver Branch.

About O'Faolain's The Heavenly Banquet, David Greene said:

"....certainly a most entertaining result can be arrived at by ignoring it altogether
(meaning, the tribute paid to a flaith [landlord] by a císaige)
and [by] omitting the inconvenient names of the virtues which are to compose the feast." endquote
That needle is sharp enough to draw blood, yes?