Earlier quoted context omitted.
To quote pg: "A hacker who has learned what to make, and not just how to make, is extraordinarily powerful." As a developer, it is frustrating to see fellow developers place too much importance on being able to code as a necessary ingredient for startup success. As a hacker, I'd say that most hackers know how to make, but don't know what to make. That is to say, most startups from these type of hackers with the "if I…
Sometimes there may be obstacles to what you propose. Being good at networking etc. is basically a performance skill that doesn't just depend on mindset, but also on good looks, race/culture, age, sex, general likability or other external factors. This is not mentioned often, and I might be wrong but I think it is a factor, despite the fact that the startup world presents itself as the ultimate meritocracy.
And yet he was such a persuasive and entertaining speaker than even when I thought he was dead wrong I wanted to hear more and find common ground with him. I liked him even when he was being an ass, and even in cases where I knew he was wrong (eg when he deliberately skipped over some significant issue because it undermined the argument he was making).
The things you mention help, but are by no means essential. You don't even need to believe in yourself, as long as you believe sufficiently in your idea.