As someone with a relative who install these: yeah, it can be a thing. The gap between "too soft, doesn't help you hear" and "too loud, damages your hearing" c

As someone with a relative who install these: yeah, it can be a thing. The gap between "too soft, doesn't help you hear" and "too loud, damages your hearing" can be narrow. Usually it's more of a problem in the other direction, with doctors playing it safe and tamping down the aid to the point of uselessness.