I'm under the impression that this doctor's argument is against wrist rests, as in the padded thing you put in front of the keyboard to rest your wrists on. Instead, the comment you are replying to speaks about a wrist brace, as in a bracelet that restricts certain wrist movements and redistributes wrist stress to a larger area in your arm.

Some of the caveats may apply, but I would say that the bulk of your comment does not...