Even if you want to go way back, HTML is still a document presentation format with headers and footers and sidebars. The linked video talks about documentation

Even if you want to go way back, HTML is still a document presentation format with headers and footers and sidebars. The linked video talks about documentation, which is a great example. Do you think I should have to download an app to read documentation? Should I have to go find my phone to read documentation because they didn't have enough time to also support desktop OSes?