In this case not making a choice is still a life changing decision. One benefit of puberty blockers I always thought is that allows you to make a decision about it when you’re more mature. It’s the closest thing to not making a life changing decision.
If B then A is the same as if X then Y is the same as if A then B. They are saying it’s the same as the OP. Changing the letters around doesn’t change the meaning since the letters are just placeholders.
Now if you said If A then B AND If B then A as one it wouldn’t be the same because A and B would have to keep the same meaning.