Precision is mainly a concept for electronical engineering...
In psycho-acoustic precision is subordinated to musical experience and human ears evaluation... And the precision did not exist for itself or for delivering an electronical product but to understand subjective hearing experience...
Amirm is not even wrong about audio ...It is useful to have the RIGHTFUL measured data for sure...
Myself i trust the only fundamental science for my audio system experience: it is not comparing amplifiers with some measuring tools...IT IS NOT ENOUGH AT ALL ... I dont say it is not useful. it is...
But acoustic and psycho-acoustic are the main fields if someone want to understand hearing and music experience and improve at low costs his sound system/room ...
Amirm sell digital technology of all kind not music or acoustic or the optimal audio experience...He is a digital tool specialist...It is what he sells...
Like i said he is honest, i dont think he is not at all, but his disciples in audio are deluded and obsessive, they dont have the excuse to be digital engineer like their master... ...
Some folks prefer precision while some prefer musicality.