Jobs makes consumer electronics, so it makes sense that his work is the most visible to us. How can we even begin to judge CEOs working in e.g. Agriculture, Ph

Jobs makes consumer electronics, so it makes sense that his work is the most visible to us. How can we even begin to judge CEOs working in e.g. Agriculture, Pharma, etc etc? Clearly Jobs is a god among CEOs, but without really doing quite a bit of research it seems like poor form to say that no one else is worthwhile.