Says bad things about their moderation; this is literally the worst video in the world and any other large company would have it autobanned instead of leaving it up for days. Though I expect the mandatory legal reporting still works.
Yeah, just sweep it under the rug..
If your plan is anything other what I said, it is either a crime or it will cause people to commit crimes by seeing the material in question. You need a lawyer, not your intuition.
Is there no room for journalism on the topic
There isn't any journalism that requires distributing child porn. Or even possessing it.