> And then they don't read it and ask me to explain it to a meeting anyhow.

All of this!!!!

I still write docs so that I have them for myself when I invariably forgot what I wrote six months later, but, yeah, writing a detailed onboarding doc only to end up paraphrasing it to someone over Zoom is peak frustration. (Unless I'm doing so because my docs aren't clear. That is good feedback.)