A written version of Bergoglio's talk is published in chapter 7 of "Generative Thought: An Introduction to the Works of Luigi Giussani" by Elisa Buzzi, 2003
Yes, thank you for sharing a link to the PDF. I see you are familiar with the literature. Yesterday I posted a couple of screencaps pointing to this: https://x.com/wyclif/status/1914276336690139440
https://isidore.co/misc/Res%20pro%20Deo/Giussani's%20errors/...