So, is there any way for the company to retrieve lost cards? Knowing people, they would lose these cards or it will get destroyed. or is this card indestructible?
If there was a way to do that it would mean the company had kept a record of all the private keys and that would be a serious vulnerability. That has already happened in the past with some of the later physicals.
I can just imagine that millions of these cards will be created and not a lot of them will survive over time. What happens with the odd Satoshi that are on these cards, if the fees to transfer them, are higher than the amount?
It looks like these will end up being disposable and the idea is to redeem the whole value in one transaction. I don't see any reason someone would leave some dust behind.