I continually believe that such "balancing" stifles engineering. To penalize in order to equalize says - "build a better machine and we will penalize you for being innovative and thus superior." Why make something new and better, if you will be penalized to a make you equal to a poorer design.
Years ago, engineering a racing car was intended to improve the breed, the results of which would be leveraged into a manufacturer's road machines to make them both better and safer. Are we at the point where yesterday's designs cannot be improved upon?
Watching the Rolex 24 at Daytona, I was very impressed by the performance of the Delta Wing - an innovative design that showed that superior performance can be achieved at much lower power levels. Yet, because it proves that better designs are achievable, it gets penalized further because other makes are poorer designs. As a past engineer of sorts, I find this appalling! Competition should improve the breed, not stifle innovation.