But no customer signs a contract with discriminated pricing. There is no bill saying “calling numbers on network A costs $0.01/minute but B costs $0.002/minute because we have better peering with them”.
Unless you want to live in a world where net neutrality is not a thing, trying to discriminate pricing based on partner carrier is insane.
Not at all. Evan is advocating for the development of ActivityPub as the basis for the social graph, not any specific application: https://cosocial.ca/@evan/113143389340566731