It’s a new disease though, it’s likely that treatments will change over time as medics learn more about what works and what doesn’t. Doesn’t necessarily mean that we’re doing anything wrong at the start.
I’m always wary of anything US doctors say as there are so many quacks there (not saying true in this case, just in general) as it’s a money driven market and lots of people have no or little health insurance.
I read a hearing aid forum and I’m struck by how many say that for years they struggled to get a hearing aid for financial reasons — I mean, of any kind, not some particular expensive private one, though of course they all ‘private’s there

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