Under the terms of the GDPR, user benefit is not required. I can log any PII I'd like as long as the user's given consent for it to sit in that log, or for it to be used in some process that reads from that log.

I probably would want to impose stricter rules on myself for the sake of avoiding regulators. But that's part of the problem. It doesn't seem possible to comply with GDPR as such without an army of consultants to guide you; what you have to do instead is invent a stricter regulation and follow that one instead.

> If a regulator thinks you are bending the rules good luck

That's the other part of the problem. A healthy regulatory system needs some way to say "well, you think I'm bending the rules, but I'm actually compliant in this complex way you hadn't considered". If a GDPR regulator just doesn't know much about software development, and thinks that any rollout-induced delay is undue, how do I argue against that?