Totally, just a minor quibble, they don't have audits, they have attestations. That's not the same thing, it's much less detailed. I'm not particularly worried about the existence of their backing assets, however, it's just worth noting.
I was referring to the Circle entity in the event of a wheels-come-off situation.
USDC is an example, it's not necessary that you use USDC, there are a few other currencies that can be used for collateral and swapped in to while you wait. Let's be clear: "Do not do this" means do not do this in whatever variation.
https://www.centre.io/usdc-transparency