you're correct, I had mistakenly interpreted your comment as dates in file paths instead of dirpaths, and I would second this, it really gets unwieldy once you have 100k or even 500+ files in a single directory.
replyApologies 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