This question involved many different cultures and backgrounds that might lead to different answers. In some novels, villains may look down on powerful people because they think they are smarter, more powerful, or because they think they can surpass powerful people in some way. Evil people might think that powerful people only look powerful on the surface, but they are truly capable, powerful, and intelligent people. Therefore, they looked down on those who looked inferior to them because they thought they were better than those people. In some novels, villains may be jealous and hostile to powerful people because they think they can't reach those standards or because they think those powerful people will be respected and worshipped by others. Therefore, they might have a contemptuous and disdainful attitude towards powerful people. There were many reasons why villains in novels looked down on powerful people. It might involve personal mentality, cultural background, story plot, and many other factors.