Simply because a techy is good with computers doesn't mean he somehow is less able to interact with the real world or understand customers. Absolutely! But I

Simply because a techy is good with computers doesn't mean he somehow is less able to interact with the real world or understand customers. Absolutely! But I feel like you're misunderstanding the author's point. Everyone in a company should talk to customers. Talking to customers is a tiny portion of what a "business person" does.