Simply because SVB should have planned for it doesn't absolve the fed of its role. Its a single incredibly powerful decision maker. The fed is notoriously difficult to anticipate.
If someone is being reckless with fireworks right before the Enola Gay flies overhead and drops Little Boy its clear who did the killing.
Stanning for SVB when every single media outlet and signal from the Fed at the time of the purchases of those bonds was that there would be increasing rates for the forseeable future. My mom saw it coming, everyone who was thinking of buying a house saw it coming, damn near everyone on the planet saw it coming.
Other banks were not sitting with +40% of their assets in 10yr term low interest securities... try more like 25%
If someone is being reckless with fireworks right before the Enola Gay flies overhead and drops Little Boy its clear who did the killing.