The kind of user who wouldn't change their default setting is probably already happily (or unknowingly) sending all their DNS traffic to their ISP. I get your

The kind of user who wouldn't change their default setting is probably already happily (or unknowingly) sending all their DNS traffic to their ISP. I get your concern about cloudflare, but I can tell you right now which of the two options I would trust more with this data, and it's not Comcast/AT&T/Cox/<insert shady ISP here>