The clear issue to stress is the cataclysmic loss of trust in the electoral process, itself--rather than just focus on the idea of having to prove an exact number of corrupted ballots. Thus all of the irregularities become relevant to demonstrate an intolerable climate of corruption!
Yes, it will require courage on the part of some Court; but it recognizes the real problem.
It would require courage on the part of the state legislators, who have already punted.