I think the source of the information might be useful. If they truly think they are going to win a car, then the chances of a successful scam are higher. The more gullible. The more vulnerable. Thus an easier target.

If you ever watch scam baiting videos, those Indian scammers share and sell the numbers the collect. If they can fall for the "Microsoft tech support" scam once, then they are likely to fall for the "Amazon refund" scam as well.