Disagree, commanders that are bad need to be retooled to fit their theme better and be stronger for their role...
Buffing 1 commander to be at become at same power level as the average of the faction might not even make it meta. Nerfing the the Top choice commander to the average power level of faction greatly increases meta. One can see that with the Spec OP nerfs that greatly increased the OKW commander used.
Again its about nerfing and not buffing, it is also about adding different utility not giving the best tools to every commander.