That is a preposterous claim! Perhaps you meant that good programmers are often introverts? I think programmers in general are often relatively introverted, ho

That is a preposterous claim! Perhaps you meant that good programmers are often introverts? I think programmers in general are often relatively introverted, however my anecdotal experience is that good programmers are not on average more introverted than bad programmers. So introversion is a really bad indicator.