I agree 100% with the author, clean, easily readable and well structured URLs make the web a better place. URL is a hierarchical structure as introduced in the RFC1738 by a guy you might have heard, Tim Berners-Lee, the inventor of the World Wide Web :-) https://www.rfc-editor.org/rfc/rfc1738

Easily readable URLs is something I learned in the 90s and I still try to enforce in everything I create.