My point was only that in order to understand how this industry works, you'd have to speak to someone in it, or at least very familiar with it. I wasn't saying what the rav should base his decision on.
That is something a Rov will always try to get a feel for. Some things are like that and some not. Typically when reviewing a shaylo a Rov will try to get initial research and then see if they need to dig deeper. That it pretty similar to the way anyone would research any random topic.
It is also part of why one cannot pasken choshen mishpat without hearing both sides.