You have to put the dividing line somewhere.
And if someone runs up to that line, but doesn't cross it, it's still on the one side of the line than the other.
If we move the line here, some other situation will occur where the line will be debated again.
Personally, I'm comfortable where with the line is at the moment: Someone is attempting to knowingly pass as someone else (or force somone to pass as someone else).
...
Well, actually I'd rather the line be moved to not include that, but since it's already settled I'm not going to re-visit it due to all of the hassles it would create.