The only "bad thing" I can think that's remotely qualifying is that US billionaires are being left behind by their East Asian peers, as their home country is run into the ground.
Nah, billionaires have class solidarity that transcends nationalist sentiment. Which is why they are so afraid of anyone trying to gather class solidarity amongst the lower classes, they know how powerful it is.
Billionaires from East Asia and billionaires from the West all vacation in places like Dubai, have their own private islands, and multiple homes and banks all over the world. Nationalism to them is just a tool to keep class consciousness away from their employees.