Can Internet of Things be a disruptive technology If yes why?

IOT can be disruptive, so short answer is "yes". By disruptive you should understand what is meant is change in established business models, laws, public policies. IOT can have a major change on transportation with self-driving vehicles, traffic flow control, air craft, shipping. IOT can have a major change on the health care industry with wearable and connected sensors and other device automation at all levels even the operating room. There can be major changes in entertainment industries, home security and especially privacy. The list goes on. So hold on. You're in for a wild ride.