I don't see how the keys can get worn. If anything you would just get more light bleed since they're transparent keys painted black.
If a key looks odd it's more likely to be an issue with the back light being a bit uneven at that point on the keyboard.
Mines a year old and it's fine.
If a key looks odd it's more likely to be an issue with the back light being a bit uneven at that point on the keyboard.
Mines a year old and it's fine.