System bias

It’s often stated here that if a system is at a very high level it should be “accurate” in every kind of music. I’m not so sure. If your a devotee of rock, is the system you put together going to excel in classical as well, or jazz, or folk or country etc. 
It seems to me your choice of components and tweaks is going to veer in the direction of your predilection.  Not that the differences are huge.  An accurate system may do a passable job in every genre, but will really shine in the type of music you listen to.