Will it make a difference in reality? only time will tell. I also don't know how the "right to be forgotten" can be compatible with block-chain based systems. Once your data or your work is in there, it really is difficult to impossible to remove past data. So I've been told anyway. Correct me if I'm wrong. That's the whole point. You can't easily be censored.
RE: What Blockchain Projects Should Know about GDPR