>> Because it would immediately go to scalpers anyway.

No they wouldn't, tens of thousands of unique users would be in line with dozens or hundreds of scalpers, if they're all allowed to buy one every 180 days per payment method, the end users actually get a fighting chance. Today they have no chance.

Scalpers use other people to purchase high demand items to then scalp.

There is enough profit to pay people to buy stuff and resell it.