Because the game industry is an incredibly fast market. You go to lunch and everything changes. Domains are pennies compared to what is spent per day on a game like VMK.
I can guarantee that the developers and artists had no idea they would be creating VaporWare. This happens to me all the time. You build something incredible and it never sees the light of day because of a management decision.
We will never see vmk stories 'nor the Trading Card Game. My heart goes out to the developers and artists that worked so hard on those projects.