I live in wine country. Used to have winemakers in the school PTA, so I got to know some of these folks... I'd completely agree with your professor. I'm not a "serious" wine drinker, but with a couple pointers you can pretty quickly start telling the difference in quality. One of our favorite "party tricks" is to set a budget ($10, $15, $20, etc) and buy a handful of bottles - turns out there's a lot of very enjoyable wines at those price points. Very important to understand varietals - some wines are meant to drink young, others will absolutely change over time for better or worse. Also, often at higher price points you are paying for scarcity - if only a few thousands bottles are being made, they gotta sell at $50+ / bottle to even begin to come close to profitable.
If you get to know winemakers, there are a lot of games that go on to doctor grapes. The chemistry and know-how are commendable. You also start to realize there are wine makers who are making wines they like, but that may not hold mass-market appeal. I had a private tasting with a guy who spent years in Napa and now does custom white-label work. I thought his stuff was absolute garbage - not at all to my tastes - but he's in demand because he knows how to do all the magic to pull out certain attributes that some wine drinkers may enjoy.
And that's the real key - drink what you like, at a price point you feel comfortable spending, and it's totally ok if you bought it because it had a cute label. The company you keep matters just as much as the quality of what's in the bottle.
If you get to know winemakers, there are a lot of games that go on to doctor grapes. The chemistry and know-how are commendable. You also start to realize there are wine makers who are making wines they like, but that may not hold mass-market appeal. I had a private tasting with a guy who spent years in Napa and now does custom white-label work. I thought his stuff was absolute garbage - not at all to my tastes - but he's in demand because he knows how to do all the magic to pull out certain attributes that some wine drinkers may enjoy.
And that's the real key - drink what you like, at a price point you feel comfortable spending, and it's totally ok if you bought it because it had a cute label. The company you keep matters just as much as the quality of what's in the bottle.