Snowden made it pretty clear that they already are.

> already were

Fixed that. Maybe some nefarious three-letter agency found another way, maybe not. Even if they did, they have a powerful incentive never to let it be known. And it's still almost entirely algorithmic.

On the other hand, human moderators are inherently going to be entry-level individuals in a call center in a low-wage country. These are not the same things.

How would you feel about human moderation of your email?

Seems logical if you're using their stuff, they get to do anything they want with what you put there. Expect them to read every word, and use it to make money.

You are right that this is the status quo.

But I do have to say that it is neither how the law works in many places, not is it ethically correct.

I agree with you, which is why I don't use platforms like Facebook at all.