I think the point is made, regardless of the specifics.
Let's get back to D&D stupidity shall we?
on topic: wish twisting.
While it was included with the intention, I think, of limiting the spell's power when munchkins get ahold of it, or to keep it from being abused if you get it from a SP. In practice, it's far too often used just to be a d-bag of a DM. That's just plain stupid, IMO.