Oh c'mon! OP didn't even mention it! There's nothing wrong with Xfce (I'm a very happy user myself), but they're distinct projects and the OP makes a good case

Oh c'mon! OP didn't even mention it! There's nothing wrong with Xfce (I'm a very happy user myself), but they're distinct projects and the OP makes a good case and gives useful info about LXQt, as fits the thread.