I wouldn't call it a tweak. Hope mine doesn't degrade proportionally with my age. I know highest frequency audibility is reduced with age with everyone, just like vision of small print, but those lucky enough to only need the occasional reading glasses with hearing capacity similarly can avoid hearing aids. I would prefer not to change the real sound if I don't have to. If you need it though, it's good to know it's out there and improving.
I once had an equalizer in my system a long time ago, and I can't tell you how much the sound improved when I disconnected it.