Earlier quoted context omitted.
That's yet to be seen. Can you imagine the ire when Europeans are able to download a rich set of information on how they're being tracked and so on, whereas Americans and the rest of the world has no access to that information? I can't. What is more probable is tha FB will try a legal trick claiming they are an American company and they follow the laws of California, not EU, even if they gladly accept European advert…
This is why FB has moved data for 1.5b users back to the USA
This is an indication that they won't apply GDPR globally (for users in e.g. India or Brazil), but they don't have a choice for the EU users.