EU Privacy Regulators already effectively made Google (and most other US companies) illegal 8 years ago, after Google et al. gave personal data away to the NSA in breach of EU's fundamental rights :

https://en.wikipedia.org/wiki/Max_Schrems#Schrems_I

(You will notice that the enforcement has been very slow moving on that one, since despite this, US companies are still used quite a lot in EUrope.)