I love to see when a page by posted just by looking at the URL. It also avoids naming collisions. For a static site, not rendered from a db, I wouldn't want to store every post ever written in one dir either. How well does that scale? Yeah, you can probably store 100K files in dir, but it will become unwieldy and slow to load when browsing a lot sooner. Just a dir per year probably solve any such problem.
Apologies for the miscommunication.
Also
> I love to see when a page by posted just by looking at the URL.
would solve that with a URL path /2015/my-article-title; also creates a nice way to go to articles by year for example by simply navigating to the /2015 route