I don't understand this article. I learn as much as I have time to learn while still getting all my work done. I'm constantly trying new things and developing

I don't understand this article. I learn as much as I have time to learn while still getting all my work done. I'm constantly trying new things and developing my expertise on a number of topics that I don't currently consider myself an expert in. It seems like other people are doing this too so what's the issue?