Ultimately there's nothing magical about brewing, if you hit the same temperatures, use water with a similar chemical composition and use the same ingredients a

Ultimately there's nothing magical about brewing, if you hit the same temperatures, use water with a similar chemical composition and use the same ingredients and yeast you're going to get the same result. Hard to do as a homebrewer, for sure, but not so hard for a professional brewer with a good installation. Also note that they're open-sourcing the recipes, they're not allowing anyone to reuse the names of their beers.