I think the author means having a technical CEO is preferred, but not sufficient. If the company is building software, it's immensely helpful if the person at t

I think the author means having a technical CEO is preferred, but not sufficient. If the company is building software, it's immensely helpful if the person at the helm understands software, but they need to understand a whole bunch of other things as well (good products vs. good technology, how to network, how to sell, how to manage, etc.)