Guild Wars 2

Then replace them with crafting components of equivalent value (default sell vendors).

This way we can have a use for crafting which isn’t just for legendaries/exotic.

Keep the Greens and above but there really is no reason for blues and greys to be in the loot at all.

Are you saying Blue items should be removed from the game?

No, his suggestion is to remove blue (and gray) armour from normal loot drops and replace them with equivalent crafting materials. You would then craft the blue armour with the materials you looted.