I do not think that there is a good financial basis for doing this, but the museum may still have value. I have not been there and it ouwld depend on how they did it. Having been to Dacau, I think it is important to remeber the evil that men are capable of.
As far as the board game, I think that making a game out of the KKK somewhat trivializes what they were/are about.
Still trying to untangle my fingers......