Quote Originally Posted by Martin_Arcainess View Post
I think the main reason why you can't dismount freely mid air are in case you fall down somewhere and your character gets stuck, if they land on there feet then yeah you can easily use the mount command again but it's times when you land in a arkward spot, so you may have landed but your character is still doing the fall animation.
That happened occasionally in other MMOs, but it's rare and not really a reason to not let you dismount wherever. You'd just /unstuck, which was a quick command to help players out such situations (and was useful if you got stuck in a wall or whatever somehow, too).