Thanks I haven’t seen this essay before. It covers much of the same ground as the critique, but doesn’t specifically talk about the Vibhanga’s so-called 1-life variant (which Ajahn Brahm argued was a 2-life variant). The critique was a hand-written letter, I’m not sure if it has been digitized. Perhaps @Brahmali knows more.
Incidentally, the Vibhanga passages are discussed in the postscript to our interview with Ven Bodhi for the Kamma and Rebirth course:
