T-Mobile USA’s eccentric CEO John Legere will be on cloud nine after reporting results for the third quarter that far outshone its two big rivals AT&T and Verizon. It added almost 2m net mobile connections in Q3 to give it a total of 69.4m – claiming it did so by ransacking 400,000 subscribers from AT&T in the quarter, as well as 300,000 from Sprint and 250,000 from Verizon. The big winner here is mobile-first TV and the key ingredients are simply unlimited data and content, which is exactly what T-Mobile US brings to the table with its controversial Binge On service. It has signed up a wealth of content providers, including Netflix, Amazon, YouTube and HBO – allowing users to…