.What those company do is to create highly polished things that serve as large an audience as possible. The way you do that is by filing off all the bumps on something.
Thing that are personal have flaws, they have vulnerabilities. If you don't see a vulnerabilities in somebody, you're probably not relating to them on a very personal level.
So it is the same with a game design. Making it was about: Let me take my deepest flaws and vulnerabilities and put them in the game and let's see what happens.