"At the Xbox One launch in London last night, KSI performed a song with three other artists, which was one part of a ten-hour event featuring a main stage show, Xbox One gameplay, and a midnight launch for hundreds of our fans," said a Microsoft spokesperson. "This does not represent Microsoft's endorsement of KSI's personal views, and we are not planning on working with KSI in the future."
If they really say they didn't know about KSI, then that's the nail in the coffin for MS PR. The amount of stuff they come up with, from using PC BF4 footage. From the French marketing director saying that the One is 4 times more powerful connected to the internet, is just too much