Repair for achievements

I think that when you repair a piece of gear it should count towards your synth counter in the achievement list.

And I also think that when you do a synth with a higher yield, it should also count 2-3 times. What I mean, is for example, 3 Iron ore = 1 Iron Ingot = 1 Synth, yet 8 Iron ore = 3 Iron Ingots = still 1 synth point. Maybe I am being obtuse, but I just think it is lame that I spent all this time getting my stuff to 50, only to basically have to do it all over again...

Thoughts? Good idea? Bad idea?

Too easily abusable I'm afraid, mainly for LTW / GLD / WVR.

Equip a bunch of crap gear that requires [craft] repairs.
Craft an item.
Repair all of my currently-99% gear.
Rinse, repeat.

I suppose you could argue that no one would do that at the higher levels because of the cost of Dark Matter.