Earlier quoted context omitted.
Aren’t mortgages actually also examples of over collateralized loans? You borrow 80% of the homes value, and use the entire home as collateral.
You can live in the home while it is collateral. You can’t use your collateralized coins.
The ability to wrap ownership in a smart contract can extend to pretty much any use case, as long as the lending protocol supports using the wrapped token as collateral.