Earlier quoted context omitted.
As long as you assume people aren't suddenly going to prefer A to B when C is there and prefer B to A when C isn't then you can safely recalculate the result. Of course people might not necessarily act rationally but you've got to draw a line somewhere, otherwise elections are simply undefined behaviour and talking about properties of elections becomes meaningless.
Okay sure, you have to have some sort of baseline to go by. Some sort of assumption of truth as it were. But, no, you cannot safely recalculate that result, because by and large people are the representation of chaos. undefined behavior is the norm, not defined behavior. Defined behavior is only present in any of our societies because of 'social norms', which is the only reason I relent and say that some assumptions…
Otherwise you're just arguing the vote is invalid because it would have ended differently in a rerun, and you have to stop somewhere.