The current fuel position is the correct one, and has been chosen so the fuel truck won't conflict with baggage loaders, now that you CAN refuel and board at the same time.
And yes, we know that position is probably better for the fuel hydrant, which is not there yet but, in the very near future, when the fuel hydrant will be added, the current large tanker will be used only at parking spots in the open, while parking with a jetway will always use the hydrant, and that's the best position for it.