In the provided example it's probably narcissism.

Is that the right link, something about an early book scanning project?

Possibly it's wrong but it's not what I'd think of when using the word "misinformation"?

Reaction: The phrase "even profs" suggests that you've been drinking the elite-academia-institutionalist Kool-Aid.

I really don't understand people posting Twitter threads like this with no context and no explanation of what it is they find disagreeable. Presumably OP thinks something about this reminiscence from 2002 is inaccurate, but I have no idea what, or why it matters. Like, I think gmail is older than 2002, but this is a personal story, not an academic paper. Misremembering unimportant details seems...unimportant.