The first thought I had after reading the thesis of the essay is that some people don't make new things but instead maintain important things. I'm more of a builder and if wager pg considers himself one, and I assume the majority of authentic HN users are builders. However I suspect the majority of people are maintainers.
Nurses, electricians, emergency dispatchers, firefighters, mechanics, etc.
We all depend on many complex systems working in order for our lives to not fall apart. Our homes, electricity, running water, soap manufacturing, etc. Choosing to be someone who makes sure these systems keep working is a good thing to do and deserves respect and appreciation. Someday AI may do all this stuff, but someday AI may build all the new things too...
So my response to this specific essay: PG, your answer is incomplete and biased towards your own values. ikigai does a better job of answering this question already, why not build on it? Also thanks for your writing, don't stop.
My biased answer to the question: - do lots of different things and stay curious, and with enough time, effort and luck you will find something you're good at, enjoy, the world wants, and will reward you with all the resources you need and then some. Just keep doing different things and being curious until you get there.
One last thought: Is PG publishing less robust essays in hopes that people will be more compelled to comment and discuss them, bringing together the best ideas on the topic? Something like "the best way to get a question answered on the internet is to post the wrong answer" or however that goes...