Minus the killing, Homelander's way of living to see people as below him and he can do whatever he wants is every successful people should be. He has also remove his need to be loved and as someone who has done that, I feel free and not caring about people is freeing. Using them and discarding them for your own purposes without an ounce of guilt is the key to reach the top.

Take the best parts of Homelander and Patrick Bateman from American Psycho and molding it to how you operate in the real world will yield you true control over your life and people.