> possible to scale a human operation to this level

Here is one stat I found from 2019:

- 400 hours of video are uploaded to YouTube every minute

So if videos were reviewed at 1x speed, they would need 24000 humans working 24x7. (Not sure how to scale that to actual jobs, but seems manageable)

Related: "Facebook had more than 30,000 employees working on safety and security — about half of whom were content moderators." Not a fun job:

https://www.theverge.com/2019/2/25/18229714/cognizant-facebo...