They did, until the deer farmers got together and got the general assembly to take it away from the PGC because they were passing meaningful regulations regarding moving the deer around to prevent spreading the disease. They wanted it under Agriculture because they knew Ag wouldn't hold their feet to the fire. The deer farmers got their way and the hunters and other PA citizens got the dirty end of the stick!
When you are up to your butt in alligators, it is hard to remember your intent was to drain the swamp. Stay focused!