(I think I know who may have a copy of it ALL)

Years of Mark Zuckerberg's old Facebook posts have vanished. The company says it 'mistakenly deleted' them.

"…These disappearances, along with other changes Facebook has made to how it saves its archive of announcements and blog posts, make it much harder to parse the social network's historical record. This makes it far more difficult to hold the company, and Zuckerberg himself, accountable to past statements — particularly during a period of intense scrutiny of the company in the wake of a string of scandals…."

https://www.businessinsider.com/facebook-old-posts-mark-zuckerberg-disappeared-2019-3