Gotta admit, this thought had never even occurred to me before reading this article from MIT Tech:

"Twitter’s potential collapse could wipe out vast records of recent human history: What happens when the world’s knowledge is held in a quasi-public square owned by a private company that could soon go out of business?"

https://www.technologyreview.com/2022/11/11/1063162/twitters-imminent-collapse-could-wipe-out-vast-records-of-recent-human-history/