The creator added this specifically to add some “juice,” a phrase from the talk [Juice It or Lose It][1], where they describe it as meaning:
> A juicy game feels alive and responds to everything you do, tons of cascading action and response for minimal user input.
He talked about this as the end of a [podcast][2] he was recently the guest on, Syntax
[1]: https://youtu.be/Fy0aCDmgnxg
[2]: https://syntax.fm/show/430/creator-of-wordle-josh-wardle