because without them, or rather having untreated hearing loss increases the risk of cognitive decline and dementia. Scaling with how severe the loss is recent studies have shown mild loss can double the risk, moderate loss can triple it, and severe loss can increase it up to fivefold.
I paid the money for the good ones and am quite happy I did. They're programmable to my particular hearing shift needs. Nothing beats hearing preservation in the first place, though. So try not to go to very loud concerts and listen to large caliber weapons fire without hearing protection, if at all possible. Because loss & tinnitus suck big time.
I'll give everyone the secret OTC solution. Elehear Beyond or Beyond Pro on Amazon. Bluetooth hearing aids worth every penny and lab tested and certified. No guessing. Do it.