Skills granted by uniques should auto-scale with character or zone level

Instead of having the same unique items' requirements tied to item level/granted skill level, have them strictly tied to a minimum required level to equip, and have the granted skills scale with character or zone level you're in. This would work almost exactly the same like uncut skill gems you find while leveling.

Considering how bad most of the uniques are, this would mitigate some issues with the current system.

Let's say you get extremely lucky at the beginning of your journey in a1 and find a unique item requiring very low level to equip. It grants, let's say, a level 2 skill.

You play around with it for a while, and then realize that you've progressed so far that the unique became obsolete due to still having a level 2 granted skill.

And then you have two choices, of which one is absurd:
1. go to trade site and look for the same unique, but with item level and skill level matching your character's
2. use some random rare item, making the unique completely forgettable