5G is going to cost significantly less to deliver than 4G... wow...

5G is going to cost significantly less to deliver than 4G... wow interested to see a source for that one.

Mobile data can't replace fixed connections as easily as people think. Have you ever tried to use mobile data in an area with a high concentration of users (like at a sporting event or festival). Sure, if one household chooses to rely one mobile data that's fine. If the entire suburb tries to, it all falls over very quickly.