I think you missed his point. The point is, it doesn't matter whether it's a choice or not. It's not bad in either case.
I'm so tired of hearing 'they're born this way' argument. It just sounds like if it was a choice, it would be totally ok to persecute them.
Although, I'm a vegetarian and I'm salivating at the thought of a perfectly cooked and seasoned steak. :)