I think your logic comes up a bit short because you are basically saying that a bank was accomodating a customer who was generally unloved and then the customer

I think your logic comes up a bit short because you are basically saying that a bank was accomodating a customer who was generally unloved and then the customer just pulled their funds out because...? I think SVB's actual failure was triggered by their lousy balance sheet which got pinched once the fed finally brought interest rates higher. Once customers saw the consequences of this, they left.