The GDPR doesn't apply to US companies. While the FB has EU offices right now, they're there for convenience only. They can close them next month and stop caring about the EU law.
| they're there for convenience only. They can close them next month
Citation needed? Facebook gets revenue from their ad network, which is used by European business customers and targets European users. Therefore they need to comply with European law.
Citation needed? Facebook gets revenue from their ad network, which is used by European business customers and targets European users. Therefore they need to comply with European law.