story
https://en.wikipedia.org/wiki/Microsoft_Corp._v._United_Stat... (2016) and https://en.wikipedia.org/wiki/CLOUD_Act (2018).
If so, it might end up in court again, and we'll have to see how that precedent gets set out. Will be curious to see how this plays out.
I suspect the issue is rather that Google Ireland are not in fact exclusively housing EU data within Ireland (or the EU in general).