There are no American billionaires. There are billionaires who hold american citizenship and get tax breaks and access to markets, but they sell out the US any and every time it makes them money. Think of outsourcing, polluting, exploiting workers, hiding assets, and even influencing the government.
When wealthy people talk about putting the US or any other country first, it's mostly bllusiht. Nationality or citizenship doesn't really matter to wealthy people.
All American billionaires hold citizenship as a strategic tool rather than a matter of national identity. They care about tax rebates, mobility, access to markets and other safety nets. But they don't care about putting any country first.
Any billionaire earns A LOT of income from foreign countries and often keep most of it in in international investments. Like Swiss bank accounts. Read up on the Panama Papers and how little the leak actually did to make things more fair.
Anyway, the chaos caused by the recent tariff is for a reason. It's not for the economy. It's not because of undocumented immigrants (not many come from Canada) nor Fentanyl (Americans smuggle most of the fentanyl into the US).
It's not for nationalism or against globalism. FFS, Musk is a South African who first got Canadian citizenship to avoid military service, then illegally immigrated to the USA his student visa expired.
It's a distraction for something probably worse - pay attention to how the oversight mechanisms are being taken down. Any chaos in the markets, egg prices, and gas prices will hurt workers but the more wealthy people will do well. They'll buy low and sell high. And whatever comes next will not benefit you or me either.