[kaliszad]

The author is a great guy and indeed quite smart and meticulous in areas he cares about deeply. He is a published author with a reasonably popular book considering the market size: https://www.melvil.cz/kniha-jak-sbalit-zenu-20/ he has edited probably more books than he would like to admit as well. It's not surprising he is able to write a good article.

However good writing is a skill you can get good at with enough practice. Read a lot, write a lot of garbage, consult more experienced writers and eventually you will write readable articles soon. Do 10-100x more of that and you will be pretty great. The rest is some kind skill and experience in many other fields than writing which will inform how to write even better. Some of it is intelligence, luck, great mentors and perhaps something we call talent even. As with most things you can get far just by working diligently a lot.