Of course, there are serious limits to the impact think tanks can have with track two activity. But it may be said that they can serve better than other possible candidates for this function, such as the media, non-governmental organizations, or business enterprises.
智庫學者充當二軌或許有其侷限，其他被認為也可具有第二管道功能的媒體、非政府組織（NGO）、企業家等，卻更難發揮。