Earlier quoted context omitted.
There isn't clear messaging on where the money is coming from to cover depositors. Thats whats leading to no one even factually knowing whats happening.
In SVB's case, can't you cover depositors simply by holding their assets to maturity and waiting for them to be repaid? SVB couldn't do that because there was a run that was forcing them to sell early, in unfavorable conditions.
Investing involves risk. Sometimes that means losing money, even if you are the bank.