Discussing the murky world of hiding and protecting money is more speculation that fact and the figures bandied about are often double counted many times to impress the unwary. The purpose is always the same and that is to separate legal ownership in one jurisdiction from local threat. Mostly the money and certainly the assets remain largely where they can be used best.
There is no demand for a chain of franchise pizza parlors in Grande Cayman nor will there be. However forcing litigants to fly there slows down most to a snails pace. So most of this legitimate wealth never actually leaves home. Actual illegitimate cash does but then resurfaces back onshore to be properly invested. Even the Arabs like to have all that cash somehow invested.
As noted, Nevada is pretty handy not least because they will not be investigating. Not for the chump change they receive for the corporate service. Thus transferring assets to a Nevada shell makes sense. Operations are offshore and that ensures no risk of attracting unwelcome IRS or FBI interest ever. Then when it is all said and done you do pay your taxes and you can surface a massive chunk of cash in the USA with no further concerns. Cheap at the price.
Mossack Fonseca: The Nazi, CIA And Nevada Connections... And Why It's Now Rothschild's Turn