I’m the kind of nerd who enjoys the surprising nitty gritty details, so I enjoyed the rest of the article and I’d recommend people read it.
But I agree with you: the AARP is 100% right to be running PSAs like this. I’d be curious to hear more about how a shadow economy like this would/would not help unbanked people, which he implies but did not describe at all. But it certainly doesn’t change the point that gift cards are an effective vehicle for fraud, and anytime someone asks to pay you (or especially you to pay them) in gift cards… your scam senses should tingle.