Honestly I have had quite a number of people who will reject those buds that I attempt to trade that have a name/description tag attached. I don't get it, I think they believe they are dirty or something. Or they are just plain lazy. It's just like Xile{t} said, you can easily remove them by clicking the item and hitting "restore".

They don't devalue it, but don't you dare be one of those people who try and get more from an item because it has a nametag on it, although it's some stupid name that doesn't even pertain to the person you're trading it to...