They should hold the party on site like they have for other events. There have been many events that have been at Kane over the years. Going way back there use to be three events a year: There was a hop fest in the spring, a stout fest in the winter and the anniversary event in the fall. As for private events Kane use to have them on Sundays, I believe they held a few until they extended their hours on Sundays (Im sure I can/will be corrected on this). Also Kane has hosted events for the American Homebrew Association where it was a registered event that you got free wort at, plus free hops, had a killers tap list plus give aways of bottles. Best event I've ever been to at a brewery and for the AHA.
Like I said about release/events/clubs: there are tons of models out there to use. Keep it online only like CCB. There are plenty of other options. No proxy, No repeat address, CC, etc.
I don't think Kane is being disingenuous at all, but I also don't think they are doing their best. I think they are being reluctant with making moves that will won't make everyone happy. We live in a highly populated area with a lot of entitled people. We need to start saying "sorry, maybe next time" and moving on. I think my suggestions cover this too; multiple events for people to come to, guaranteed bottles from a club to reduce lines/crowds and most importantly having the anniversary beer on tap at the brewery when its the anniversary are all solid ideas. Instead of telling me they aren't good ideas suggest to me what would be an option so I can see where you are coming from, having multiple perspectives is always valuable.