Ignorance drives the thirst for knowledge. Any knowledge.
The main reason customers complain is because they haven’t been told what’s going on. The airlines are notorious for this.
The main reason people read books, watch movies, listen to music, is not only because they want to know how the world works but because knowledge is the currency of the world. It enables you to participate.
The more you know, the more you can do, even if that means complaining about your flight cancellation. The point is to fill in the blanks.