On a fundamental level, though, the actual datapoints that you gather through a form have nothing to do with UI or arguably even UX design.
That notwithstanding I fully agree with you on all points! GDPR is also very strict on what you can register, how you can use this data, and how you should inform the "data subject" (person) of what will happen with this data once they have sent it in.
That notwithstanding I fully agree with you on all points! GDPR is also very strict on what you can register, how you can use this data, and how you should inform the "data subject" (person) of what will happen with this data once they have sent it in.