Banks that primarily serve ordinary workers typically have over 50% of total deposits in accounts that are under the limit, and are fully insured.
But for SVB, less than 3% of deposits are in accounts with less than $250k.
The cold, hard fact is that if the bank doesn't have sufficient assets to pay back depositors, no regulatory sleight of hand changes that fact.
There's a reason why large deposits aren't insured, and that's because the rich have the knowledge and resources to take care of themselves, and shouldn't co-opt the power of the state to force ordinary people to subsidize them when their bets go bad.
It would be hideously immoral to bail out fabulously wealthy VCs with funds from taxpayers and small depositors.