Earlier quoted context omitted.
Exactly, the extortion is the most serious allegation, but WPE isn't providing a lot of background in terms of what and how much Mullenweg was demanding, only texts that came well after the demand was made. My guess is if there's a really damning email, WPE's lawyers served them a legal hold privately rather than make it public. Alexa, order ten cases of popcorn...
Matt admitted on reddit that he asked for 8% of annual revenue or ~40 million. https://www.reddit.com/r/Wordpress/comments/1fnz0h6/comment/... He posted this after receiving the C&D.
Automattic is Matt's private, for-profit company and a direct competitor to WPE.