only a few hours late

Because it's clearly the best for numerous reasons.

• when the 4 digit year is first, it's obvious month is second. So 2024-01-02, for example, is definitely jan second and not Feb first (unless you're insane)
• you can name things with the date first and an alphabetical sort will automatically sort the files by date (you can't always sort by date and sometimes you actually want a mixed sort like this

The only thing date snobs hate more than other date snobs is date snobs who are right…