How much reality do you really need?

The real question to the audiophile  is, “how much reality do you need” to enjoy your system? Does it have to be close to an exact match?  How close before your satisfied?  Pursuing that ideal seems to be the ultimate goal of the audiophile.
The element of your imagination has to come into the equation, or you’ll drive yourself mad.  You have to fill in part of the experience with your mind.
But this explains the phenomenon of “upgraditis.”