The article notes "that this is only a thought experiment." And I think it should stay that way. It's very interesting to think about, yet SQLite offers nothing but problems for developers and content creators. While maybe a bit clunky, a zip file manages to be a close best choice. When considering that a document may be hundreds of megabytes with thousands of assets OR a single page of text, zip offers enough simplicity and robustness, while being highly accessible.