You could call it a third of a point or pi/100 of a point if you prefer. The reason for any of it is to short-handedly point out that we have an additional, lesser advantage over them over and above a better points haul.
You could either say "we are 5 points better off than Cardiff and with...
Me too. A better GD is worth half a point in my eyes too because it is not enough for Cardiff to merely match our points total, as they would be below us by default.
The worst thing about Fulham going down is that Craven Cottage is one of the best away grounds to visit. Lovely location, locals reasonably friendly, and our record (aside from this season's second half) is quite good. But as others have said, they have written the book on how not to handle...