> Which is exactly why she has refrained from releasing it throughout this whole drama: plausible deniability.
I do not think there is evidence for that. It is normal to remove employee access to email if they are leaving so it is unlikely Timnit would have access to the email to share.
Then the language used by Timnit could analyzed and reasoned through to determine if it counts as a formal offer to resign or not.
I not jumping on any bandwagons without at least that or equivalent.