And even if you see dates, quite often they're relative. A year ago could mean a lot.
Oh, and while blogs are usually newest on top, relative dates break the ability to derive sort order by looking at multiple values, if they're all the same.
A similar thing that really perplexes me is that GitHub uses relative dates. You try to find the date a certain change was made, and you end up scrolling through page after page of "six years ago."
It feels like the sort of thing that is only really sticking around because it was a design trend many years ago when some of these apps were written.
Oh, and while blogs are usually newest on top, relative dates break the ability to derive sort order by looking at multiple values, if they're all the same.