Then instead of focusing on accepting responsibility for their own failure, the losing side would need to focus on addressing their lack of ethics and potential

Then instead of focusing on accepting responsibility for their own failure, the losing side would need to focus on addressing their lack of ethics and potential criminality. (Both sides would need to focus on that, regardless of whether they won or loss). Unfortunately I don't know what "justice" would look like in such a situation, but perhaps re-running the process without the unethical and criminal elements would be a good first order approximation.