Well white items in the other game could be found socketed and used to make runewords, there is really no use for them in D3 as of now except to sell.
Anyways it's just a funny comic, nothing too serious.
Great job again Calavera!
Nope. Not even to sell. A blue post specifically said the design intent is that you don't even want to pick them up. If they see people regularly doing so and selling them, they said they would reduce theiralready negligiblevalue even further.