We have contacted keep2share regarding this content and this is the response we got:

Hello,
We have received your abuse complaint and our Abuse Department has looked into the situation.
Unfortunately, we are unable to process your request because of the following reasons:
Please provide us the proof that you are owner of this content. (contract scan or your ID, or any other legal document which aproves that you are the content owner or representer)

We clearly said we were reporting child pornography and not DMCA. It's clear to me they don't care or this content isn't sexual enough to flag for CP.