AT&T has been singing from the rooftops about its 5G Standalone (SA) network over the last week, boasting of taking 5G to the next level with messages that have largely been lapped up uncritically by analysts and journalists. Yet, it highlights a sense of desperation among many operators over 5G SA, to which they may be committed but are concerned may not achieve ROI anywhere near as quickly as they anticipated, if at all. If we peer just a little beneath the surface of AT&T’s recent prognostications, we can see there has been a change of tack over some of the use cases presumed to deliver these new revenues, such as the connected car. This is not to belittle the…