High-capital industries like telecom generally end up in oligopolies making if left unchecked. Before Jio entered and disrupted it, India's telecom market was a

High-capital industries like telecom generally end up in oligopolies making if left unchecked. Before Jio entered and disrupted it, India's telecom market was also very consumer-hostile and gave terrible prices and service despite being one of the countries that had adopted both GSM and CDMA. For US it might also be the case that WiFi hotspots are everywhere and mobile data isn't used as much.