We ran into a similar situation with Proposal #21 in Nomopoly III, which gave out items to players who voted Yes on an accepted proposal. I silently gave out the items, which resulted in some players figuring out who voted Yes by watching carefully, and other players who were confused about items mysteriously appearing.
I don't think there's a way to implement Proposal #14 without revealing who voted Gamble on the proposals, so I think I'm just going to list movement due to Gamble votes on the History page, in the interest of not favouring players who are able to log in 5 times each day and track who moves when a proposal is implemented.