When we toured Rogue about 8 to 9 years back, it looked like a big homebrew set up. That is to be a compliment to John, who was a AHA homebrewer of the year.
Sierra Nevada is a very technical brewery. It is the cleanest brewery I have ever been in. It is the most beautiful brewery I have been in. I think these points are all reflections of Ken Grossman view of what his brewery should be.