There have only been three winners in the last twelve months in Formula 1--Sebastian Vettel, Lewis Hamilton and Nico Rosberg. That hasn't been done since 1988 when Gerhard Berger, Ayrton Senna and Alain Prost won everything. Mercedes boss Toto Wolff reckons it is due to the lack of a cost cap or rampant spending that has created the rift and lack of "diversity" in winning...which is an interesting use of the term by the way.
Formula One has a certain amount of specification to it and there is no doubt about that fact but unless it becomes a much more regulated and specified sport, like NASCAR, it will be very difficult to avoid the development war which will escalate costs and separate the herd of have's and have not's.
A few years ago, BMW had a Formula One team and they had made the move from engine partner with Williams F1 to a full-fledged team. Having purchased Peter Sauber's F1 team, BMW set realistic goals and marched forward in their quest with success and methodical achievements under the leadership of Dr. Mario Theissen.