Stephanie Kelton and L. Randall Wray have published the article Magical Monetary Thinking at the Fed Killed SVB.
I think their final recommendation is embodied in this excerpt.
Stabilize interest rates—stop using them for demand management and instead focus on financial stability. Regulate and supervise financial institutions. Retain backstops like deposit insurance and lender of last resort when necessary to stop crises from spreading. And restore a proper role for fiscal policy in managing aggregate demand.