Isn't this a really odd point? Right now, you can hardly run a public resolver in the traditional sense as UDP resolvers are prone to be used for DNS amplificat

Isn't this a really odd point? Right now, you can hardly run a public resolver in the traditional sense as UDP resolvers are prone to be used for DNS amplification attacks and TCP isn't supported/configurable on all clients. On the other hand, running a DoH or DoT resolver is no more ressource intentive than, say, hosting your own website and even Android allows you to set a DoT resolver nowadays.