pawsplay
Hero
my desire is less about scaling damage(although that does contribute) and more about establishing another distinct 'grade' of weaponry, i feel that the current weapon options are all a bit, well, there's not a ton of diversity in the weapons used (i've seen a flowchart meme for what weapon you're going to pick based on your stats and build), both in the sense of the damage dealt and how characters fight with them.
I have a hard time wrapping my head around what that looks like, fictionally. A really good longsword is a really good longsword. And D&D doesn't lend itself to the fineness of distinctions of, say, GURPS, which already is too granular to represent a lot of the reasons people have historically picked one weapon or another.