Dry yeast is also alive, just dormant. Liquid yeasts come in more varieties, but you only get about 1/10th the cells. http://www.oregonbrewcrew.com/
has an article called the Great Mead Experiment, where they compare yeasts in fermenting mead. It's all about flavor.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk