It also brings into question the motives of Blizzard: why $20 and not 5? Why not pay what you want? Blizzards not suppose to get any of the money so why does it matter the cost?

They could have made it a pay-what-you-want with $5 base, like Humble does with bundles (thou their base is $1, but let’s not stiff charities here). They would’ve made A LOT more than selling them at $15/copy, since while many people would’ve paid $5, many would’ve also paid hundreds or even thousands.

They also…

They very likely would have made more overall if it was, like, $5. I can’t argue with the cause, but I got kids to feed here.

Fans love the design but hate the fact it costs $15 to get it. I understand it goes to charity but that still feels a bit overpriced.