Nothing will change for A&W, I'll bet 99% of the cull cows that go through the auction ring and 100% of the bulls have never had any growth hormones.
When I first heard of this I thought it's just a marketing ploy and they were the first ones that thought of it.
The growing Muslim population around here will take every goat you can raise. They will even come and kill it right after the money (cash) has changed hands. My Father in Law raises goats and sheep and can't keep up to the demand. They actually tolerate the pigs he raises.