Even so, that does not protect them. Every designer I worked made sure to get and document the license for the images used.

Copyright is not a small thing, as the MPAA likes to remind everyone.

Also, maybe there is something bigger here: maybe someone scraped the image and resells them through shutterstock.

In any case, the owner is way within his rights. Why not insist on them? If the rubber band was on the other claw, Netflix would not hesitate.