Personally I'm glad they resist efforts to "improve" the site. I'm tired of the slippery slope of fast and information-dense sites becoming slow and information-sparse. Just my opinion, don't shoot me.
But that presupposes you know this black bar indicates someone's death, which is not the case of the person asking the question in the first place.
I had no idea seeing this black bar meant a death. I thought it meant a rendering error and gave a half second to reload the page, say hunh it's still there, and go on to something else. I came away with the impression somebody got design-y and changed things up for no real reason.
Edit: and for all the talk on this page about the bar, very little is being said about the man. Here's his Wikipedia page for anybody interested: