Buzzy, we may not be able to see our wings but we can see your tail and can often see where it is in relation to other lines on the taxi ways. EG: I know that our wings pass in board of particular taxiway markings and if I can see your tail this side of it (by even a metre) then I hold short. If I see your tail on the other side of that line then I know I'm right to pass by. Sometimes that extra metre or 3 (or 6 or 7) makes a difference.
Perhaps it wouldn't be a sport if you stuck your nose within a metre of the runway hold short lines in the first instance?!?!
