You need to look at that statement in conjunction with the rest of the paragraph. It won't be wide open but it appears that they will start allowing some unvaccinated on board
Based on this change, we are continuing to adapt our protocols to align more closely with how the rest of society and other travel and leisure businesses are operating. This means that we're transitioning to the point where everyone will be able to vacation with us while always working with our destination partners to meet their regulations.