Waitwaitwaitwait "This will be a members-only vote." A huge portion of people that want this back have stopped paying membership because they have quit the game >.>
1) If f2p can vote it will get spammed by people creating multiple accounts. 2) Yes they will make money off this regardless of what happens, assuming people pay members for a month just to vote.
People complained when the free trade vote was opened to everyone because it could be rigged. If you are voting to bring back 07 servers, its to be assumed you are going to pay anyway.
