Per an SS "expert" AI is being used...

"it appears that the use of AI has been extended and includes exposure. However, this review process is still not balanced well. We have made this clear to the Shutterstock technical team who should be working in the issue.

In your case the images will have been �tagged� once they are rejected by AI so if you want to resubmit again firstly you need to make a small edit which will remove the tag. Then you should check the �Previously Submitted� box in Notes to Reviewers on the Submit Content page."

I followed his advice and they still got rejected within seconds.  So far today, I've spent two hours going through rejected photos to re-submit.  Not sure it's worth it at this point. Other agencies are accepting the same images.

Here's something interesting; same image different file name (see attached)...