Good spot :D
This is genuinely the reason, I picked the name before I came up with the cluster idea.
This thread was added on July 15, 2019, with posts from JagexRamen.
Original Post
https://i.redd.it/4g0qpz4drfa31.png
This has been on my mind since it came up in stream and you... swept the question aside. I'm glad to finally know!
Swept it aside for a good reason ;)