Five years have passed since T-Mobile US coined the term “Un-carrier” which turned out to be a stroke of marketing genius, but the way we see it, almost everything T-Mobile has invested in since has formed the bricks and mortar of the operator’s plans for a polished and equally disruptive TV business. This less than easy feat became more evident than ever this week, as T-Mobile confirmed what we all suspected, that being the exclusive carrier of its wireless-only TV service is the only way to take on AT&T. In a redacted filing to the FCC, T-Mobile outlined the next vision for Layer3 TV and its pending merger with Sprint to form New T-Mobile – claiming the combined clout can…