Can't check now, but if there aren't forks named like BookTale and BookStory, I'll riot.
Jokes aside, if the license he used allows forking, dude's tripping, and could even get sued depending on the country for false accusation of crime.
And ah, Discord, great for nuking inconvenient chats. Imagine if it had happened over at a public forum so people's reactions could be backed up.
And dunno where I'd draw the line, but 20k lines imo is a bit past reasonable. How would anyone audit that many in a timely manner? But with the "dev" doing that daily, that'd be hard to even pretend.