…τοῖς θεοῖσι χρὴ
θύοντας αἰτεῖν ἀγαθά, μαντείας δ᾿ ἐᾶν·
βίου γὰρ ἄλλως δέλεαρ ηὑρέθη τόδε,
κοὐδεὶς ἐπλούτησ᾿ ἐμπύροισιν ἀργὸς ὤν·
γνώμη δ᾿ ἀρίστη μάντις ἥ τ᾿ εὐβουλία.
What is ἄλλως doing here precisely? Is it signaling the contrast between what people think μαντεία is for versus the fact that was invented as a δέλεαρ βίου?