Who said anything about the winemaking process? I'm talking about nuance of flavors. Appreciating how different wines taste differently beyond "good" or "bad" comes from a greater understanding of taste and how tastes are cultivated.

I think your position in untenable. You're saying appreciation doesn't matter with wine but clearly this doesn't hold in other areas. So the question must be asked: what do you have against wine? Is it the snobbery? Is it the feeling that others may know more about it than you? Is it the cost?