There are people who attend wine classes with an agenda other than to learn about wine, and there’s nothing wrong with that. A class is a great way to meet other people, in particular, people who also enjoy wine. It can be a fun night out for a small group of friends, and sometimes, towards the end of the class, when enough of it has been consumed to raise the volume of chatter louder than the instructor’s voice, it can more resemble a Friday night happy hour than a serious classroom. But that’s also part of its appeal.