I don't mean to say it's a bad idea by any means, just wanted to provide some constructive criticism. I'd say that GDPR's rules around providing purposes for da

I don't mean to say it's a bad idea by any means, just wanted to provide some constructive criticism. I'd say that GDPR's rules around providing purposes for data collection and not bricking services un-necessarily for refusing such are pretty good; and a labelling scheme similar to that you've proposed to highlight what is being collected outside the core requirements of the service might complement it nicely.