On: Firefox’s Trusted Recursive Resolver DNS feature i...

[Vinnl]

As I understand it that's even the default choice, and CloudFlare is just the provider they're currently testing this with for those who do choose and do not configure their own provider.

[telmich → Vinnl]

The point is though that users won't change their defaults. When Mozilla sets the default to Cloudflare, > 99.9% of the users will use it.

[Vinnl → telmich]

So the default is that this is off. If and when that changes, the question that should be relevant is whether the majority of those users is better served with CloudFlare than their ISP, given their threat model.