People who have specialized knowledge about a scientific or technical issue are systematically excluded from juries for trials where that issue is relevant. Thus, trial by jury is not a fair means of settling disputes involving such issues.
The statement "The more a juror knows about a particular scientific or technical issue involved in a trial, the more likely it is that the juror will be prejudiced in favor of one of the litigating parties before the trial begins" most seriously weakens the argument.