Historically, the main actors in venture capital have been a specialized set of tech investors who themselves came from the technology industry. They understood it well because they were the ones who built foundational technologies or sold hardware, software and systems into businesses.
And so, generally, the people who invested in tech companies — the traditional venture investors — could tap their extended talent networks and apply their knowledge to bring talented people into startups, or at least coach the founders on how to select the right talent to scale and grow.