While the author implies that making a website is an overly complex, daunting process and things used to be so much better in the past, the key phrase in the article is this;
The tech I know may no longer be suited to do the things I want...
The old tech that the author knows doesn't work for the modern web. He says as much. If you want to build the new shiny you have to use the new shiny tools. You don't have to make a website that does all the fancy reactive, responsive, Web 3.0 stuff. You can make a site exactly how we did it 20 years ago today and it'll work fine. But if you want to build a modern website, you've got a giant pile of things to learn first.
The tech I know may no longer be suited to do the things I want...
The old tech that the author knows doesn't work for the modern web. He says as much. If you want to build the new shiny you have to use the new shiny tools. You don't have to make a website that does all the fancy reactive, responsive, Web 3.0 stuff. You can make a site exactly how we did it 20 years ago today and it'll work fine. But if you want to build a modern website, you've got a giant pile of things to learn first.