By Evan Dawson, Finger Lakes Editor Photos by Morgan Dawson On a tour of half a dozen Seneca Lake wineries earlier this week, I was reminded just how much service matters. At some stops I found myself wanting to buy wine that I thought was mediocre — simply  because the service was so good. At other stops I found myself wanting to wave my wallet in front of the staff and shout, "See this? You could have had everything in it if you understood service!" For the most part I'm going to highlight the positive experiences. There is one exception,…