As an amateur who's been fascinated by this puzzle himself, I will add some context that might be relevant in assessing the plausibility of this claim: - The "Libation Formula", which the author used as the base for his translations, is the most studied piece of writing in Linear A, because it's the only recurring phrase (with grammatical variation) that we have. The corpus is extremely fragmentary, with just a handf…
I've also reached out to Dr. Ester Salgarella, so I'm familiar with attempts to apply computational analysis to the corpus, and where previous efforts erred.