In the Schrems case which overturned the Safe Habour agreement, one of the problems was that US law required/allowed Facebook to give up EU personal data, and t

In the Schrems case which overturned the Safe Habour agreement, one of the problems was that US law required/allowed Facebook to give up EU personal data, and there being no real way for EU citizens to challenge it. (Remember the US 4th Amendment doesn't apply to EU citizens in the EU).