I think that it is nothing more than silly to think that there is some ethical obligation to count votes in a primary election where (i) the voters were put on notice and had knowledge that their votes would not be tallied, (ii) the candidates made public statements assuring that the votes would not be counted, (iii) the candidates did not compete in the elections, and in the case of Michigan (iv) only one candidate was on the ballot.
It is like a rained out game where after the referee officially cancels the match, the home team wants to call it a forfeiture. Or trying to use a victory in a pre-season game or friendly match towards points in the regular season. There simply is no logical justification either in fairness or justice to uphold the results of a contest that was never contested. It is just plain silly.