The agreed merger announced a few days ago between T-Mobile US and Sprint is a blessing in disguise to the US cellular market, and at Faultline Online Reporter we think it will go through regulators almost unopposed. Hilariously, when we called the AT&T Mobility merger with T-Mobile as anti-competitive in 2011, most US publications laughed at us and told us it was “a done deal,” and public markets were shocked when AT&T was rebuffed by regulators and had to shell out $6 billion in cash and spectrum to T-Mobile, in a move that fueled T-Mobile with renewed competitiveness and led to the Uncarrier strategy that has proved so successful. But as this was announced, all the US news outlets this…