This is valid but TBF a lot of riggers put themselves at risk by doing it
Reverse engineering is a legitimate concern to folks who secure jobs by standing out with high quality animation
Besides most will have it in tos if you're doing a full buy & not just commercial license
Riggers if I'm paying you to rig my model that file should also go to me. I PAID FOR IT. it is MY MODEL.
Like what is this industry ? I pay THOUSANDS of dollars to not own the file of my own rigged model ????