When you are forbidden to expand taxation on the people with money, because "ideology" and your country is accruing debt at historic levels, tariffs are about the only revenue source that you have that won't make the oligarchs angry.
When you are forbidden to expand taxation on the people with money, because "ideology" and your country is accruing debt at historic levels, tariffs are about the only revenue source that you have that won't make the oligarchs angry.
I don't think this has anything to do with revenue or the national debt. They don't seem to care about that at all.
Trump is one of oligarchs.