The issue is also the technical difficulty. There is huge variance and the number of variables to consider is also great. A computer/database is a better tool

The issue is also the technical difficulty. There is huge variance and the number of variables to consider is also great. A computer/database is a better tool for the job, of course, but the balancing act between false negative and false positives is extremely hard. See, e.g. the (very) simplified case of base rate fallacy[0] ; There is an inherent information problem in doing diagnosis, that a large database and fast search do not address. [0] https://en.wikipedia.org/wiki/Base_rate_fallacy#Example_1:_Drunk_drivers https://en.wikipedia.org/wiki/Base_rate_fallacy#Example_1:_D...