> I would also love to hear the justification.

Here's a link to the Wikipedia editors' terse description on curated lists:

https://en.wikipedia.org/wiki/Wikipedia:Copyright_in_lists#S...

A fact you may not know is that the creator and his partner curated the two lists of words-accepted-as-guesses and words-eligible-to-be-daily-targets to remove so-called "Scrabble gibberish."