For people who use YouTube and would like to remove distractions, I use the simple CSS script below along with the CSS styler extension Stylus to remove distractions and stop me from jumping mindlessly from video to video.

  /* Hide the Distracting Comments */
  #comments {
    display: none;
  }

  /* Hide Livestream Comments */
  #chat {
    display: none;
  }

  /* Hide Related Videos */
  #related {
    display: none;
  }