That's the idea, yes! For the SoG, I'd rather have it "gratified" than stolen.
For the weapon, yes, it is pretty twisted. The effect is "less painfull" than having it stolen in the sense that you still possess your weapon (for pulvi i.a. it means a lot). However, it is also more painful because your opponent can have the equivalent of 2 weapons.
I tried to find a new permanent control which would have a different behaviour than destroy or steal. In some cases it is better (shields, some weapons), in some cases it is less good (hourglasses, mindgates, eclipses, other weapons). What I particularly like in this idea is that you could seriously consider destroying your own weapon/shield/pillar/etc ...
P.S.: discrepancy fixed