For the past four years, analysts like us have continuously discussed who might merge with or take over T-Mobile US. But the tone has always been one of the management team at say Comcast or Sprint taking over. Listening to the discussion around T-Mobile’s results this week, the tone was very much one of John Legere, helping a pay TV company become an “uncarrier” business during 2017. Faultline made a stand in 2011 saying that a merger with AT&T would not pass muster at regulators and that forecast turned out to be true. But since then all of us have talked about T-Mobile in the same voice, that it is fundamentally broken and too small to compete with AT&T and…