So, who is really getting all that money??? That has to be a fantastic scam, if it works. A fool and his money .... 
I don't think it's a scam, but it is interesting that there is no mention of whether holding an "ownership certificate" entitles one to a share of the profits interest.
I'm not a securities lawyer, and it's an extremely complicated area of the law, but my guess would be that they are trying to avoid having this pledge drive qualify as the offering of a security subject to regulation by the SEC.
If they actually reach the $300 million goal and attempt to collect the money (notice they are not actually asking for any money at this point), I think they would have to register the offering with the SEC (unless they qualify for one of the exemptions) and provide each potential investor with a qualifying prospectus which would contain all of the relevant information which the website is obviously lacking.
Of couse anyone who is really interested in becoming the part owner of a brewing company can simply buy stock in any of the ones that are publicly traded...