"Their moral obligation is conflicting also I agree , but you say it's "Outright stupid and morally irresponsible" it's according to your view not their as they have made their choice.
See this more like another case of : two wrong won't never made a right ."
Gawd you are SO French
The way i see it, anyone who refuses to testify in a crime is as responsible as the criminal in the matter.
granted, other 'experts' can be called on to do the job, but those who refused to help the TRUTH come out are simply helping the criminal cover up his crime.