Honestly, it does make me wonder what they're thinking. Given the nature of what they're doing, the stable coin reference doesn't seem like it's necessary. Even for purposes of hype.

Telling investors you're going to make your own currency to bypass transactions fees from financial institutions seems like a fairly straightforward way to boost investor interest.

Wouldn't adding crypto mechanics to a virtual credit system just make for a costlier system due to mining?

If the transactions are maintained within an Amazon or Walmart ecosystem, there's no need for trustless verification, because you own the ecosystem. What's the point?