Politicians always want to identify with the people in every area they visit. In Tainan they'll say: "I'm a true Tainan local," to emphasize their links to the people and the district. This is natural.
又譬如不管哪一個政治人物，到各縣市時都要爭取認同，到台南就要強調「我是正港的台南人」，都要強調和這個地方人親土親，這是很自然的。