I think you probably need to split gun control proponents into (at least) a couple of buckets. There are casual gun control proponents who likely don't know th

I think you probably need to split gun control proponents into (at least) a couple of buckets. There are casual gun control proponents who likely don't know this about the gun industry. There is another, much smaller, but potentially more effective, cohort that very much do. I've read literature from and spoken to activists that very much are attacking assault weapons strategically. Both because of them being an easier target, especially after a mass shooting, and because of the revenue implications.