I didn't really think of it as an hour long commercial for MillerCoors. Yes, they advertised on it, and yes they showed a lot of their breweries. No one here seemed to complain that Brew Masters was a DogFish Head infomercial.
I thought the was quite accurate. Micheal Jackson made the same points about Beer leading to the beginning of civilization. "Bread, Beer and the Seeds of Change" by Thomas and Carol Sinclair described the diet of pre-Industrial peoples as being mainly beer and bread, with the thesis that Civilization owes its existence to beer. Gregg Smith's book "Beer in America: The Early Years" said some of the same things the show did. I didn't find anything factually incorrect. Yes, they presented it in a humorous way, but if that makes thing inaccurate. . .
The product placement, shots of the breweries, and some interviews of the head brewer all made me think that, along with the actual commercials being Miller Coors. But I watched it all, and enjoyed it for the most part.
The Ben Franklin quote about beer has been proven erroneous. The Pilgrims did not run out of beer, but the ships crew would have on the way back if they had gone to Virginia, so the pilgrims were put off early. Johns Hopkins was John Hopkins, Emory was Emery, nitpics, I know.
Sam C. is the star of Brewmasters, so I expect lots of DFH. For a show with no star and more of a documentary premise, I expected something different.