Rav Schwab wrote that theory as a possibility in a rabbinic journal in 1962. Years later, in the late 80s, he reprinted that essay in the back of one of his ‘Selected’ Books; I think it was Selected Speeches, maybe Selected Writings? Whatever. Either way, he puts in an addendum there, where he clearly says that he did not hold of it then. A bit vague if he meant to be chozer, or if he said it was always meant as a scholarly thought piece, but never meant it l’maaseh.
Haleivi: The sequence of the 6 questions in that gemara is not necessarily meant as the importance of any one of the questions vis a vis any other. Rather it is darshaning a posuk, V’haya emunas itecha, chosen yeshuos, chochmas vadaas, yiras Hashem hi otzaro. The questions are in the sequence of the drashos from the order of the words, with yeshuos coming before chochmas and daas, so the yeshua question comes first.