The problem is fundamental to any jpeg uploading website. For the computer it is just a bunch of numbers. You need a human brain or something imitating the brain for the computer to understand the meaning of the arrangement of numbers.

This is what Meta's human brains are doing with child abuse material: https://www.theverge.com/2022/3/31/23005576/facebook-content...

And this is what they're doing with data they illegally harvested from children: https://www.latimes.com/business/technology/story/2023-11-30...

(and there are many more examples)

Yes, their moderation is not 100% and companies can be sued for any reason. AFAICT there has not been a finding in these lawsuits, it’s probably not a smart idea to use the existence of a lawsuit as evidence that something nefarious has happened.

And also yes, I am using evidence of how they spend their money as an indication of their intent. It’s the embodiment of putting their money where their mouth is.