alt Hacker NewsOf course it's relevant. How copyright infringement happens doesn't actually matter, all that matters is that the infringement happened.
If I painstakingly recreate A New Hope frame by frame, pixel by pixel, that's infringement. Even if I technically used 0 content from the original.
Nobody is doing that, though. You might get a watermarked screenshot or stock photo now and then, or a couple of mostly-verbatim paragraphs from Harry Potter.
In any case, if the copyright mafia insists on butting heads with AI, they'll find that the fight doesn't quite play out the way it has in the past.