My point of view is to pick and side and fight to the death with it as deep down I prefer one way over the other
It would be an act of self betrayal to say that Szell performance is equally valid as Karajan. As clearly Szell sounds better in my ears
Music is like a fun harmless version of politics. People with different philosophies in what makes good music/good society and then battle it out to win the heart and minds of the population.
I much prefer music reviewer pick a side even if it opposite to my belief instead of a non-committal "all sides are equally valid" rubbish