Unlike concert tickets, which are a limited and finite resource for an event, I'm assuming NVidia (as a business) are going to want to carry on making cards while there are people to buy them, so waiting is literally all these people need to do, and then the scalers will be out of pocket.
Businesses used to do this themselves in the past. You'd pay a premium to get the initial batch and then the price would drop. I'm surprised they've outsourced the profiteering!