I don't know where you're from but in my country drinking tonic is kinda popular, the Schweppes brand is seen as the coca cola of tonic (obviously not as a common soda as coke or even Fanta).
The best way I've discovered 40k lore beyond hearing from a friend and some meme is Luetin09, which has a great narrator voice, consider his channel a huge audio library of alleged facts and stories.
Also, I heavily recommend Arbitor Ian as he has both a nice presentation style, and also talks about the meta aspects (like how things evolved in the 40 years of 40K lore changing)
It's still on and will close at the end of the month.
But yes I'm very annoyed that they didn't share much of the instance outside a small notification on the admin.ch website.
But the goal of this whole pilot test is that if Mastodon became big within the year, they would already have an instance running with officials accounts. But instead I guess they will focus on Bluesky.
An ultra-TL;DR : you don't need the movie title for ChatGPT to steal an IP.