We should stop implying this is routine and stop valorizing courses of action which increase likelihood of it happening, like not taking salary.
It sucks. Royally. But you do not do not do not backstop its debts with your own money. You spend the last (paid!) month or so of your employment making sure your employees land as best as you can and directing advisors to wind down.
Complicated, but very important to realize that when you sold 10%+ of your future outcomes to professional investors one of the things they were very explicitly buying was 100% of the downside risk.