"The major criticism of DoH is Firefox enabling it by default and overriding the existing system DNS configuration, requiring manual reconfiguration of arbitrar

"The major criticism of DoH is Firefox enabling it by default and overriding the existing system DNS configuration, requiring manual reconfiguration of arbitrarily many client devices to change it back to the way it was. There can obviously be no legitimate objection to it if it is disabled by default and only used when explicitly enabled by the user." +1 Firefox should also consider that such network settings are only accessible to root or administrators such that organizations can maintain network policies for the devices they own in their network.