Earlier quoted context omitted.
I'm just curious, given all the other options that respect your privacy and don't put data collection at the center of their business model, why do you use Cloudflare on your pi-hole?
what is the vector here? dns traffic is practically anonymous, there would have to be some very specific and purposeful trickery going on to link dns traffic to an identity. It sounds like something more hypothetical than a tangible threat model
https://developers.cloudflare.com/fundamentals/reference/clo...
if you think a little creatively about how this information could be used by an organization that was created at the insistence of the United States Department of Homeland Security, then you're on the right track.