I should clarify that it's not an Ubuntu bug, there's a dconf property that lets you make this

@anselmschueler Better close the windows. They really want it. They want to be closed. Close them.

@anselmschueler Ubuntu doesn't like Nautilus

@anselmschueler for when you really want to hit the 'close window' target? :D

@anselmschueler ahhh, the biblically accurate close button!