Microsoft wants to control computers. This is why they came up with InsecureBoot - or ad-hoc eliminating accounts willy-nilly style. Microsoft kind of acts like Google here. It is also interesting that the US government is doing absolutely nothing against this despicable behaviour.
the US government is owned by corporate interests and has been in some capacity since inception. special mention to the Russians and Israelis and Saudis who also own a piece.