I’ve seen speculations the buyers are really just using Purse and Amazon gift cards to launder money or they were stolen in the first place, just puttin’ it out there...
On the one hand, I wouldn't want to deal with thieves. On the other hand "money laundering" isn't a real crime, it's just AVOIDING a particular kind of thief (government).
Its pretty obvious to me, considering I use it to earn probably once a month and each time there are 2-3 new accounts with 1000+ past orders, all buying $200 worth of amazon gift cards