Generally agree. Could also definitely see there being an extra level of confidence(ignorance) for lots of people once they pay $5k for a gunwerks SYSTEM super tuned by the experts from the company that brought you "1000 yards out of the box". They paid way more than some guy with a savage and a CDL so clearly everything is going to be that much more dialed.
I thought the werkman rifle data was based upon factory hornady ammo. No reason you couldn't do the same with a different rifle without the load workup.