I think it's a reference to the folly of having opened the chest, rather than the move itself.

Quote Originally Posted by Naria View Post
From the Complete Oxford English dictionary:

Infatuate
Verb
3.
To Stupefy (the senses)
Obsolete, rare

Stupefy
Verb
4. intransitive To become stupid or torpid; to grow dull or insensible. Now rare

Stupid
adj
1. Having one's faculties deadened or dulled; in a state of stupor, stupefied or stunned . . .
Obsolete

That's the best I've got.
Or yeah, that.