Yeah, let's take away a person's livelyhood because you're upset about a video game.
That seems rational and not at all a completely disproportional response made by an emotional man-child.
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I think it's to keep some classes from having more chances at getting a weapon than others.
People were outraged when they thought it was the Hammer of the Corrupted that got changed because then we only had 1 2h drop from raid. So it should go the other way too.
Or you'd end up with the transmog weapons being insanely common and then we also lose the chance at getting something special.
Edit: Apparently it's also so classes that don't use strength have a shot at the appearance, without making a weapon functional for multiple classes.