A trade-off here is that it seems unlikely for a legal team to be able to humanly attempt tens of thousands of slight variants of a legal argument and still be

A trade-off here is that it seems unlikely for a legal team to be able to humanly attempt tens of thousands of slight variants of a legal argument and still be allowed to participate, whereas with computers and network services, fuzzing tends to scale and continue fairly reliably (partly because it often goes unnoticed).