There is “somewhere else to go.” It is called stop bowing to corruption and greed and stop “investing” in a sham. But greed is a powerful temptation and sin. Always has been throughout human history.
Well, what do you do if you have a large amount of capital that needs investing?
In any case, US companies are scarcely a sham. They have profitable businesses, and owning a piece of them isn’t the worst thing you could do.