You are right Paul, the more you wear a BAHA processor,, the more your brain learns to hear with it.
That is precisely why the doctor will tell the patient to wear it all day every day right from the beginning to retrain the brain in hearing from that side. That is the reason most of us will get the BAHA,, to get some hearing back on SSD side. No, it’s not the same as your previous “normal” hearing,, you can’t get that back with anything once you lose it pretreatment or post treatment or no treatment. But that it no reason for some folks not to try to enhance hearing.
As a BAHA wearer, I feel qualified to express an opinion,,