None of these bullets are “open and shut cases”, but all are related without needing a major leap, especially the first one.
* Content spoofing / text injection
* Issues related to software or protocols not under Keybase control
* Reports of spam
* Vulnerabilities affecting users of outdated or unpatched browsers and platforms
Do I agree with their (alleged) actions? NO! But as I know several folks at Keybase personally, I’m sure there’s another side to this story and I’m willing to give them some benefit to the doubt until I hear otherwise.