This is new with SVB. I get the whole "250K minimum" argumemt, but this is the first where we are seeing major 10M++ depositors getting 100% guarantees.
I don't see issue with spreading money across smaller banks - other than perhaps they may not be able to assess risk as well as larger banks. But again, SVB.
I think one thing to keep in mind is that most bank depositors hold far, far less than the 250K guaranteed by FDIC. By a large margin. Id be surprised if the average was above 10K. There are $17T in deposits across the country [1]. The FDIC at the beginning of the year had $128B in balance as insurance to depositors [2].
[1] https://fred.stlouisfed.org/series/DPSACBW027SBOG
[2] https://www.fdic.gov/analysis/quarterly-banking-profile/inde...