How can it not constitute fair use? They both made no copies of that data (copyright infringement) nor did they commit actual theft by stealing the data from some vault. Everything else is permitted. For that matter, this is equivalent to some human artist studying a piece of art and then starting to create art in that same style too... is that no longer fair use?
There are some court rulings so bad that the judge should just be removed from the bench.
> could affect the market for the original product
Oh, that makes more sense. The "negative movie reviews for newly released films is copyright infringement" argument. Nice.