Your example uses words to describe words. These are words that have been defined by other words and codified to describe systems of words. The subject at hand uses words to describe complex interactions between organic chemistry and somatic response. These are words that are completely arbitrary and offer systemic guidance only through familiarity or ad-hoc comparison. Once more, with feeling - there's a noteworthy dearth of useful terminology at play here. However, the approach taken by the wine industry is to increase obfuscation rather than clarity. Wines also aren't about anything, unlike poetry. One can launch social movements. The other pairs well with fish.
I don't think we disagree at all. I'm not trying to defend the wine industry, I agree that they could likely make things more approachable without sacrificing the utility or even poetry used in describing their products. I do think that some people fail to even see the "useful terminology" and that's really what I'm trying to speak to. All this talk of wine... there's literally no chance of me not drinking wine tonight.