In practice, it's going to be an arbitrary mess. They draw a series of vaguely defined lines across highly nuanced issues, make their fancy press release, and then send it off to implemented by underpaid and undertrained workers (in 3rd world sweatshops last time I checked).
Jeez man, Arizona isn't that bad, I wouldn't call it third world [1]
Jokes aside, you are correct that Facebook does have lots of third-party contractors that do moderation located in underdeveloped countries and Facebook seems to exploit a lot of their contractor labor, regardless of where that labor is located.
[1]: https://www.theverge.com/2019/2/25/18229714/cognizant-facebo...