I'm really glad that people are choosing to do business with users who just signed up two weeks ago, instead of long time users with good positive feedback.
Well, not many long time users will sell for paypal unless there is trust between the two.
These scammers must be making a fortune from paypal. User sends paypal funds to a new or purchased paypal account, scammer withdraws by the time user realizes it's a scam and initiates a chargeback.