You are a free person that individually decided to join into this partnership. You freely decided who would do what in your company. It doesn't matter who voted for what. You already agreed that your partnership would follow the decisions of a vote. No one forced you to join this association.
The bylaws don't say that the company represents its shareholders. It only states certain responsibilities and rights of its members. Why should it be implicit in this contract that the company will be able to personally represent its shareholders and put them in debt?
The company did not vote to close GLBSE, by the way.