No one said the acquisitions are of major banks.
There are many well-established boutique banks even in NYC, one of the most competitive financial ground in the world. The team intends to acquire banks to get hold of established entities as that will streamline and accelerate the process of building a financial network for crypto.

But yes, the funding goals are quite high. However, the first cap is aimed at $25M, a sum that is mundane in today's ICO field.