I think you're talking about two different things:
1. People that are dedicated to their craft, write A LOT of code and self-study in their free time.
2. Red bull drinking Valley stereotypes.
People from camp 1 don't live up to the stereotype of the "rock star" but definitely work way more than 9-5. Where work is defined as studying languages, domain specific knowledge, low-level code...
People from camp 1 also do not generally curate a public profile, since they generally come from traditional engineering cultures where judgements are made based on past experience and ability to reason about complex systems during interviews than on flashy portfolios and pop quizzes.
1. People that are dedicated to their craft, write A LOT of code and self-study in their free time.
2. Red bull drinking Valley stereotypes.
People from camp 1 don't live up to the stereotype of the "rock star" but definitely work way more than 9-5. Where work is defined as studying languages, domain specific knowledge, low-level code...