As T-Mobile USA’s 5G network went live this week, and so too did the cable fun-poking, Faultline pondered once more – perhaps for the last time – whether the impending departure of the eccentric and often petty CEO John Legere signals the end of the Uncarrier’s TV plans. T-Mobile has been an advocate for aggregation and has been pretty damn successful at it to date, yet even the launch of its long-awaited Layer3-powered DTH service TVision back in April arrived with little fanfare. Surely then, it’s only a matter of time before T-Mobile cans TVision and sets it sights on being the greatest MNO aggregator of them all, with a home broadband business to match. As cable operators increasingly rely…