This had, she noted correctly, transformed those hearings into “a vapid and hollow charade.”
She is too vapid and immature (and untalented) to pull off something really seductive.
You pretty much can't get a better absurdist parody of politicians' vapid sure-is-nice-to-be-here patter than that.
1650s, "flat, insipid" (of drinks), from Latin vapidus "flat, insipid," literally "that has exhaled its vapor," related to vappa "stale wine," and probably to vapor "vapor." Applied from 1758 to talk and writing deemed dull and lifeless. Related: Vapidly.