Embedded videos are essentially pretty-looking links, susceptible to [undesirable link rot][1].

Stack Exchange sites protect images from link rot when uploaded using the !["Add Image"-button][2] *Add Image* button (or <kbd>Ctrl</kbd>+<kbd>g</kbd>): a separate copy is uploaded to `https://i.sstatic.net/` [in partnership with imgur][3].  This is currently not possible for videos, likely because they tend to be huge in comparison.


  [1]: http://meta.stackexchange.com/questions/8231/are-answers-that-just-contain-links-elsewhere-really-good-answers
  [2]: https://i.sstatic.net/kjAf3.png
  [3]: http://meta.stackexchange.com/questions/90342/any-details-about-stack-imgur-com