is it a correct understanding that svb actually has troves of money, but it's locked down in bonds noone wants because of their low return value ( yet unless th

is it a correct understanding that svb actually has troves of money, but it's locked down in bonds noone wants because of their low return value ( yet unless the US treasury bankrupts, they will never default) ? It seems like a very specific situation quite far from 2008... why isn't the banling sector simply lending the cash for daily operations, while SVB sorts the situation ? It's much better than loosing everything in a systemic crash.