Earlier quoted context omitted.
Jeff has had 25 years to get good at it. Based on the reasoning in his article, it seems like he didn't try.
> it seems like he didn't try. He got good at other things he cared more about it. Maybe he should hang out on HackerNews more, so he can be an expert on everything.
Jeff doesn't needs to be an expert in everything, he needs to see what doesn't work and fix it, let others fix it or decide this is as good as it gets.