> So if your endocrinologist was found to have ran a concentration camp in the past, it would have no effect on your decision on whether you wanted to use them as your doctor? Running a concentration camp also has no bearing on a doctor's performance.

The story presented here is that OP disliked their mother's physician. There was no discussion of malpractice. Then, OP seems to have searched for information about the physician.

'Research misconduct' and murdering your fellow man are... not the same thing.