This has already been addressed in the Twitter Spaces, see summary post:
For those that don´t want to read all the 30 pages of legalese:
The article specifically states on P30:
Use Case 1: Data storage for backup and other purposes that do not require access to data in the clear 84. A data exporter uses a hosting service provider in a third country to store personal data, e.g. for backup purposes. If 1. the personal data is processed using strong encryption before transmission, and the ident…
TL;DR: Storj is already working on this, and yes we do have legal council advising on these matters. We are confident that GDPR compliance is achievable.