I’m not sure what you hope to accomplish by doing this. companies are very large and have well funded research divisions. Up until Costco arrived on the scene, you couldn’t even get pricing without going to an audiologist. They controlled the market. They’ve only recently started dabbling in over the counter models.
They’ve well aware that there is a stigma with wearing hearing aids that discourages younger people from considering HAs at an earlier age. And their marketing departments are addressing this accordingly.
My idea for HA companies was to set up a subscription service. Pay a smaller amount yearly over a given term (ten years?) and automatically get the latest versions when they are released.
You can be sure that HA companies monitor forums like this. So what do you want to tell them?