The semblance of balance "People" and "topics" are the essentials for any talk show. The guests are often those who either won't get invited or will refuse invitations to similar shows on the over-the-air television stations. This is one reason they attract the audience's attention.
「人」和「話題」正是製作節目的必要條件，受邀來賓可能是三台請不到或不願請的名單，所以才能吸引觀眾；話題也是一個比一個爭議、聳動。