The boring answer is that its simple community. If you surround yourself by friends who all do that one thing and are all driven to be good at that thing, you

The boring answer is that its simple community. If you surround yourself by friends who all do that one thing and are all driven to be good at that thing, you will be motivated to do the same thing and get good at it, and motivate other people in turn. Silicon Valley used to be like this.