If your business isn't B2B, then any customers that you have are almost certainly fully FDIC insured.
And even if you're B2B, if you're 999th in line and your customers are 1000th in line, you're even more screwed. If you're first in line you at least have some remaining assets even if you have no customers. If your assets evaporate at the same time as your customer base then you have nothing.
And even if you're B2B, if you're 999th in line and your customers are 1000th in line, you're even more screwed. If you're first in line you at least have some remaining assets even if you have no customers. If your assets evaporate at the same time as your customer base then you have nothing.