Hermes is a hypocrite, sure... but everybody is, so I don't see why calling him out on it is so noteworthy.
Emet-Selch vilifies Venat / Hydaelyn for ending their world and destroying their civilization, despite doing the same at least two times over (and being complicit in six more) to other worlds.
Venat says nothing is impossible, but decides Amaurotine civilization cannot defeat Meteion.
Hermes was on the verge of a mental breakdown, his life's work put in jeopardy, and his surrogate daughter figure put on the chopping block; I can understand why he was acting irrationally. Besides, letting aggressive predators out of their cages gave them a window of opportunity to live their best lives, non? /s
Everything about Emet-Selch's character in Elpis is dripping with tragic irony considering his portrayal in Shadowbringers.