Since they all want to return and since permission to do so is controlled by the mainland authorities, they tend to shoot ancient historical sites and introduce local cuisine. They won't criticize the mainland system - let alone touch the sensitive problem of the actual state of cross-strait relations. Promoting travel is in accord with the policies of the mainland authorities, and here their interests converge.
為顧及以後還要再去，而「同意權」操在對岸手中，拍攝古蹟、介紹小吃，也就不會批評到大陸體制，更不會觸及兩岸現實處境的問題；旅遊促銷也剛好符合對岸「官方」政策，雙方可說是一拍即合。