This is actually a good marketing idea. By branding items and getting the word out well in advance, people are anticipating your product in the market place before it arrives. This is why most companies pre-annouce products. The inability to get a well-branded product actually increases demand. It a strategy heavily employed by Apple Computer. They announce something, it goes on sale, it sells out and you can't get one for weeks. People line up outside the stores just to get one on opening days. Regardless whether you like Apple's products or not, they get a massive amount of free publicity because of the demand they create prior to and during product launch.
I would think there's some baseline minimum of potential customers for that to work. Apple has hundreds of millions of potential customers, if not billions. So a scattershot marketing strategy that converts 1/10th of 1% into customers would get them a serious amount of money.
With the crazy alcohol regulations in this country, such as prohibitions on self-distribution and the problems in getting your product into consumer's hands, I don't think the same kind of marketing strategies would work for beer. You would probably start off with the only potential customers being people in your town, or within x miles of your town.
I think the only reason those "breweries" market everything BUT beer is because it's impossible to make terrible beer if you don't make any beer at all. I've seen one brewery marketing themselves as "the best beer you can't buy," and I laughed out loud.