It's only a risk for anyone loaning to the company, and they're choosing to make those loans despite the risk.
Having an LLC doesn't get you much special protection. You could make equivalent contracts with some assets securing the loan and other assets not securing the loan. The main purpose of the LLC framework is to standardize the whole thing.
> It's only a risk for anyone loaning to the company
No, voluntary lending is not the only way that corporations acquire liabilities, either now or at the time of limited liability was attached to the form. For instance, tort liability is a thing.
Having an LLC doesn't get you much special protection. You could make equivalent contracts with some assets securing the loan and other assets not securing the loan. The main purpose of the LLC framework is to standardize the whole thing.