“I don't look at not having my right arm as a disability.”
Diving closer into his swing, there are some key adjustments he's had to make. Starting with his grip, he points his wrist inward. Then on his backswing, he doesn't bring it back as far as he could. He loses power but maintains accuracy.
“I know I can't hit it as far as a tour player. I can hit it 275 or 290. If I play my own game, I should be fine."
No one's going to argue with his claim but if you do, he'd love to prove you wrong.