> European Regulations are law.
Regulations have to be implemented and integrated into each country's laws. Countries may not have yet implemented GDPR
> their primary usage is advertising
I don't see where FB claimed that advertising is primary usage and others are secondary. i can infer from the text that they parceled as part of the "service promise"
> FB does not give all the data, the definition of what data
Facebook says they are GDPR compliant and i doubt they 'd say that without the consultation of at least one EU data authority (perhaps the irish?). https://www.facebook.com/business/gdpr