Why WordPress founder Matt Mullenweg has gone 'nuclear' against Silver Lake

Lots of press on this saga, related:

WordPress.org bans WP Engine (564 points. 10 days ago, 485 comments) https://news.ycombinator.com/item?id=41655967

Incident: Wordpress.org has blocked WP Engine customers from registry (82 points, 10 days ago, 88 comments) https://news.ycombinator.com/item?id=41655578

WP Engine is not WordPress (267 points, 14 days ago, 163 comments) https://news.ycombinator.com/item?id=41613628