If you look at the screenshot you get a better picture of why it bugs the issue submitter so much: he's downloading torrents. I.e. in Chrome he's downloading a

If you look at the screenshot you get a better picture of why it bugs the issue submitter so much: he's downloading torrents. I.e. in Chrome he's downloading a tiny .torrent file, and the real download is happening in uTorrent or some external downloader. So you can probably assume he's also downloading quite a lot of those files. Personally I like the Chrome download bar, but I get why it might get in the way of some uses.