Specialists in the Uralic languages have generally rejected Sadovszky's theory, citing general lack of understanding of the methods of comparative linguistics, leading to his work being riddled with problems such as poor semantic and phonetic correspondences. Sadovszky often makes no effort to show that some material he compares is truly native within the two language groups he compares, often cherrypicking examples from just one or two of the dozens of languages encompassed by "Penutian".

Ez nekem eléggé kiábrándítónak tűnik.