Yeah, I think you'd have to be drunk to appreciate this theory. Or you'd have to be me.

You want aliens to speak a language that was actually around when they were taken from Earth and not the modern form of one that developed a millenia later???? Sheesh! What kind of sf fan are you?

(Hey, at least they spoke Egyptian on Abydos. And we've had a couple Daniel-figures-out-the-language eps.)