Why is HoT not cheaper for gw2 owners

Why is HoT not cheaper for gw2 owners

in Guild Wars 2: Heart of Thorns

Posted by: Zanbo.9512

Zanbo.9512

I noticed in the pack that it includes gw2. Since i have it why do i have to pay for it again? Makes no sense that someone who never played pays the same price as someone who has it. If its an expansion u should have a separate payment for it.