if such things are meant to be monopolistic, then the state should manage it.
I think there's a very important truth in this sentence!
then the state should manage it
Do states have such a good track record with Internet tech.? I'm thinking of Korea and their mandated shopping encryption ActiveX.
IoT security is another are where lots of bad things are happening and an argument for state management could be made. How about the control of all IoT things, like webcams and smart assistants, go through government infrastructure? That way, they can 1) enforce security practices and 2) actually implement Orwell's total surveillance state from 1984.
The state could abuse its power: companies do abuse their power, because to do otherwise would reduce shareholder profits.