Let's be clear, the issue wasn't that the Fed raised rates to a historically average level, it was that they were manipulating the bond market in 2021 with trillions of dollars of QE.
Over the last few years the Fed has basically done a pump and dump on the bond market, and SVB being a bank was basically forced by regulation to buy long-dated bonds for yield.
I've seen a lot of people speak critically of SVB and I get it, but I think people should take a minute to ask why the hell bonds were yielding such a low amount in 2021. I just wonder how much longer we're going to blame, banks, crypto investors, bond investors, equity investors, home buyers, etc for what's happening to the value of their assets. When central bankers make government bonds trade like meme stocks this is what happens. Perhaps if we didn't do that, SVB and many others wouldn't be in this position.