Yes, this is an excellent point. To take an extreme example, if there are no true, interesting results to be discovered in a field of research, then any study c

Yes, this is an excellent point. To take an extreme example, if there are no true, interesting results to be discovered in a field of research, then any study claiming such a result is by definition false. Analogously, if none of your employees do drugs, all positive drug tests are false positives.