At best that could be only marginally profitable. Such a service would have to be a commodity in order to be interoperable. If it could have high margins the in

At best that could be only marginally profitable. Such a service would have to be a commodity in order to be interoperable. If it could have high margins the index owners such as Meta would keep it in-house. As long as they control the services users want, they control the market. Your prediction could come to pass only in the case of the open backend being tied to a massively popular service that could compete with those giants