Was any previously unknown info about Google leaked in the memo, that only an insider could know? If not, then why does it even matter that a googler wrote it?

Was any previously unknown info about Google leaked in the memo, that only an insider could know? If not, then why does it even matter that a googler wrote it? If "Anonymous" wrote the doc and uploaded it to pastebin, would you lend it the same credence you are to this doc?