404s for me as well but im guessing https://arstechnica.com/gadgets/2024/01/convicted-murderer-filesystem-creator-writes-of-regrets-to-linux-list covers it.

That scene, https://youtu.be/6ovsKnljcIk , was a reference to this actual event, https://youtu.be/IW7Rqwwth84

Yes.

Many applications have configuration files. Historically these files were placed in your home directory aka “on the floor”. The variable mentioned defines a directory where these files should go. Many applications ignore this.

A non-linux version of this meme might go,

“Here is the pizza you ordered”

“Great, could you put it in my hands”

“Lol (throws pizza on floor)”

Yes(ish), the first 4(?) episodes are available, with I think the remaining coming out in a month or so.