If you want to read long internal Meta email chains that amount to "Adam Mosseri feels there's a big gap between 'perceived' harm and actual technical violations and "Mark Zuckerberg declines to fund any work on improving known and terrible Meta performance on abusive everything" this is a "fun" read
https://www.blumenthal.senate.gov/imo/media/doc/13124metadocuments.pdf
(Link courtesy Adi Robertson at The Verge, I couldn't find it on anyone's sites.)
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