Prometheus Bound Sacrifice Quotes

How we cite our quotes: (Line)

Quote #10

HERMES. Well, remember what I have proclaimed, and when disaster hunts you down do not complain about your fate, nor ever say that Zeus cast you into a calamity that you had not foreseen. No, indeed; you will have brought it on yourselves, for knowingly, not by surprise nor by deception, you will have been caught up in the inescapable net of disaster through your own folly. (1071-1079)

Now, late in the game, Hermes changes the terms of the debate. This time around, he says that the Chorus and Prometheus are making a conscious choice, but that this conscious choice is itself "folly." Does this mean that Hermes thinks they are making a sacrifice, only one he doesn't approve of? Or is this just his way of washing his hands of the whole issue?