The advantages of network sharing seem glaringly obvious in a world where the mismatch between mobile data demand and mobile data ARPU is rushing MNOs’ profits. The need to reduce the cost of delivering those rising tides of data is urgent, but many operators are ready to discuss almost any tactic – WiFi offload, automation, outsourcing, even an early move to more spectrally efficient 5G radios, or an outright merger – rather than consider sharing the RAN load with others. So will that reluctance to lose control and ‘enable the competition’ end up weakening the 5G business case, delaying deployments and letting non-MNOs, with a more open approach to infrastructure, into the market? Even in the rising number of markets…