First: value judgments or statements are not ''truth-functional''.
Second: we all think in the same way; from our premisses to
our conclusions or deduction. Different opinions means different
premisses not ''different thinking''. So one should make his premisses
explicite . My is as already mentioned the fact(?) that speakers
are the weakest link in the (system) chain. Consequently I spend
the most of my money for the speakers. The ''ratio'' is not exact
but in my case about 4x more than for my analogue front.
If the premiss is that anyone is free to decide for himself than
why we need any justification for our choice? That is to say
that mentioning our reasons is the same as mentioning our
premisses.